diff --git a/coordinator/ui/components/unit_flow.lua b/coordinator/ui/components/unit_flow.lua
index 27e4d0d..f0813f7 100644
--- a/coordinator/ui/components/unit_flow.lua
+++ b/coordinator/ui/components/unit_flow.lua
@@ -2,8 +2,11 @@
 -- Basic Unit Flow Overview
 --
 
+local types             = require("scada-common.types")
 local util              = require("scada-common.util")
 
+local iocontrol         = require("coordinator.iocontrol")
+
 local style             = require("coordinator.ui.style")
 
 local core              = require("graphics.core")
@@ -19,6 +22,8 @@ local DataIndicator     = require("graphics.elements.indicators.DataIndicator")
 local IndicatorLight    = require("graphics.elements.indicators.IndicatorLight")
 local TriIndicatorLight = require("graphics.elements.indicators.TriIndicatorLight")
 
+local COOLANT_TYPE = types.COOLANT_TYPE
+
 local ALIGN = core.ALIGN
 
 local sprintf = util.sprintf
@@ -35,8 +40,8 @@ local lg_gray = style.lg_gray
 ---@param x integer top left x
 ---@param y integer top left y
 ---@param wide boolean whether to render wide version
----@param unit ioctl_unit unit database entry
-local function make(parent, x, y, wide, unit)
+---@param unit_id integer unit index
+local function make(parent, x, y, wide, unit_id)
     local s_field = style.theme.field_box
 
     local text_c = style.text_colors
@@ -48,6 +53,13 @@ local function make(parent, x, y, wide, unit)
 
     local height = 16
 
+    local facility = iocontrol.get_db().facility
+    local unit = iocontrol.get_db().units[unit_id]
+
+    local tank_defs  = facility.tank_defs
+    local tank_conns = facility.tank_conns
+    local tank_types = facility.tank_fluid_types
+
     local v_start = 1 + ((unit.unit_id - 1) * 5)
     local prv_start = 1 + ((unit.unit_id - 1) * 3)
     local v_fields = { "pu", "po", "pl", "am" }
@@ -80,21 +92,22 @@ local function make(parent, x, y, wide, unit)
 
     local rc_pipes = {}
 
-    local emc_x = 42    -- emergency coolant connection x point
-
     if unit.num_boilers > 0 then
         table.insert(rc_pipes, pipe(0, 1, _wide(28, 19), 1, colors.lightBlue, true))
         table.insert(rc_pipes, pipe(0, 3, _wide(28, 19), 3, colors.orange, true))
         table.insert(rc_pipes, pipe(_wide(46 ,39), 1, _wide(72,58), 1, colors.blue, true))
         table.insert(rc_pipes, pipe(_wide(46,39), 3, _wide(72,58), 3, colors.white, true))
     else
-        emc_x = 3
         table.insert(rc_pipes, pipe(0, 1, _wide(72,58), 1, colors.blue, true))
         table.insert(rc_pipes, pipe(0, 3, _wide(72,58), 3, colors.white, true))
     end
 
     if unit.has_tank then
-        table.insert(rc_pipes, pipe(emc_x, 1, emc_x, 0, colors.blue, true, true))
+        local is_water = tank_types[tank_conns[unit_id]] == COOLANT_TYPE.WATER
+        -- emergency coolant connection x point
+        local emc_x = util.trinary(is_water and (unit.num_boilers > 0), 42, 3)
+
+        table.insert(rc_pipes, pipe(emc_x, 1, emc_x, 0, util.trinary(is_water, colors.blue, colors.lightBlue), true, true))
     end
 
     local prv_yo = math.max(3 - unit.num_turbines, 0)
diff --git a/coordinator/ui/layout/flow_view.lua b/coordinator/ui/layout/flow_view.lua
index 8a552a2..bf90a9c 100644
--- a/coordinator/ui/layout/flow_view.lua
+++ b/coordinator/ui/layout/flow_view.lua
@@ -67,7 +67,7 @@ local function init(main)
 
     -- get the coolant color
     ---@param idx integer tank index
-    local function c_clr(idx) return util.trinary(tank_types[tank_conns[idx]] == COOLANT_TYPE.WATER, colors.blue, colors.cyan) end
+    local function c_clr(idx) return util.trinary(tank_types[tank_conns[idx]] == COOLANT_TYPE.WATER, colors.blue, colors.lightBlue) end
 
     -- determinte facility tank start/end from the definitions list
     ---@param start_idx integer start index of table iteration
@@ -128,9 +128,9 @@ local function init(main)
                     table.insert(emcool_pipes, pipe(0, y, 1, y + 5, color, true))
                 elseif i > first_fdef then
                     if i == last_fdef then
-                        table.insert(emcool_pipes, pipe(0, y - 14, 0, y, color, true))
+                        table.insert(emcool_pipes, pipe(0, y - 14, 0, y, c_clr(first_fdef), true))
                     elseif i < last_fdef then
-                        table.insert(emcool_pipes, pipe(0, y - 14, 0, y + 5, color, true))
+                        table.insert(emcool_pipes, pipe(0, y - 14, 0, y + 5, c_clr(first_fdef), true))
                     end
                 end
             end
@@ -268,7 +268,7 @@ local function init(main)
 
     for i = 1, facility.num_units do
         local y_offset = y_ofs(i)
-        unit_flow(main, flow_x, 5 + y_offset, #emcool_pipes == 0, units[i])
+        unit_flow(main, flow_x, 5 + y_offset, #emcool_pipes == 0, i)
         table.insert(po_pipes, pipe(0, 3 + y_offset, 4, 0, colors.cyan, true, true))
         util.nop()
     end
@@ -323,8 +323,10 @@ local function init(main)
             local tank_pcnt = DataIndicator{parent=tank_box,x=10,y=3,label="",format="%5.2f",value=100,unit="%",lu_colors=lu_col,width=8,fg_bg=text_col}
             local tank_amnt = DataIndicator{parent=tank_box,x=2,label="",format="%13d",value=0,commas=true,unit="mB",lu_colors=lu_col,width=16,fg_bg=s_field}
 
-            TextBox{parent=tank_box,x=2,y=6,text=util.trinary(tank_types[i]==COOLANT_TYPE.WATER,"Water","Sodium").." Level",width=11,fg_bg=style.label}
-            local level = HorizontalBar{parent=tank_box,x=2,y=7,bar_fg_bg=cpair(util.trinary(tank_types[i]==COOLANT_TYPE.WATER,colors.blue,colors.cyan),colors.gray),height=1,width=16}
+            local is_water = tank_types[i] == COOLANT_TYPE.WATER
+
+            TextBox{parent=tank_box,x=2,y=6,text=util.trinary(is_water,"Water","Sodium").." Level",width=12,fg_bg=style.label}
+            local level = HorizontalBar{parent=tank_box,x=2,y=7,bar_fg_bg=cpair(util.trinary(is_water,colors.blue,colors.lightBlue),colors.gray),height=1,width=16}
 
             TextBox{parent=tank_box,x=2,y=9,text="In/Out Mode",width=11,fg_bg=style.label}
             local can_fill = IndicatorLight{parent=tank_box,x=2,y=10,label="FILL",colors=style.ind_wht}
diff --git a/scada-common/types.lua b/scada-common/types.lua
index 92402b8..0d562a6 100644
--- a/scada-common/types.lua
+++ b/scada-common/types.lua
@@ -420,8 +420,8 @@ types.AUTO_GROUP_NAMES = {
 
 ---@enum COOLANT_TYPE
 types.COOLANT_TYPE = {
-    WATER = 0,
-    SODIUM = 1
+    WATER = 1,
+    SODIUM = 2
 }
 
 ---@enum WASTE_MODE
diff --git a/scada-common/util.lua b/scada-common/util.lua
index 3023a49..96c1ec8 100644
--- a/scada-common/util.lua
+++ b/scada-common/util.lua
@@ -24,7 +24,7 @@ local t_pack   = table.pack
 local util = {}
 
 -- scada-common version
-util.version = "1.4.7"
+util.version = "1.4.8"
 
 util.TICK_TIME_S = 0.05
 util.TICK_TIME_MS = 50
diff --git a/supervisor/config/facility.lua b/supervisor/config/facility.lua
index b8b4a18..7e64f97 100644
--- a/supervisor/config/facility.lua
+++ b/supervisor/config/facility.lua
@@ -29,6 +29,138 @@ local self = {
 
 local facility = {}
 
+-- generate the tank list and tank connections tables
+---@param mode integer facility tank mode
+---@param defs table facility tank definitions
+---@return table tank_list
+---@return table tank_conns
+local function generate_tank_list_and_conns(mode, defs)
+    local tank_mode = mode
+    local tank_defs = defs
+    local tank_list = { table.unpack(tank_defs) }
+    local tank_conns = { table.unpack(tank_defs) }
+
+    local function calc_fdef(start_idx, end_idx)
+        local first = 4
+        for i = start_idx, end_idx do
+            if tank_defs[i] == 2 then
+                if i < first then first = i end
+            end
+        end
+        return first
+    end
+
+    -- set units using their own tanks as connected to their respective unit tank
+    for i = 1, #tank_defs do
+        if tank_defs[i] == 1 then tank_conns[i] = i end
+    end
+
+    if tank_mode == 1 then
+        -- (1) 1 total facility tank (A A A A)
+        local first_fdef = calc_fdef(1, #tank_defs)
+        for i = 1, #tank_defs do
+            if (i >= first_fdef) and (tank_defs[i] == 2) then
+                tank_conns[i] = first_fdef
+
+                if i > first_fdef then tank_list[i] = 0 end
+            end
+        end
+    elseif tank_mode == 2 then
+        -- (2) 2 total facility tanks (A A A B)
+        local first_fdef = calc_fdef(1, math.min(3, #tank_defs))
+        for i = 1, #tank_defs do
+            if (i >= first_fdef) and (tank_defs[i] == 2) then
+                if i == 4 then
+                    tank_conns[i] = 4
+                else
+                    tank_conns[i] = first_fdef
+
+                    if i > first_fdef then tank_list[i] = 0 end
+                end
+            end
+        end
+    elseif tank_mode == 3 then
+        -- (3) 2 total facility tanks (A A B B)
+        for _, a in pairs({ 1, 3 }) do
+            local b = a + 1
+
+            if tank_defs[a] == 2 then
+                tank_conns[a] = a
+            elseif tank_defs[b] == 2 then
+                tank_conns[b] = b
+            end
+
+            if (tank_defs[a] == 2) and (tank_defs[b] == 2) then
+                tank_list[b] = 0
+                tank_conns[b] = a
+            end
+        end
+    elseif tank_mode == 4 then
+        -- (4) 2 total facility tanks (A B B B)
+        local first_fdef = calc_fdef(2, #tank_defs)
+        for i = 1, #tank_defs do
+            if tank_defs[i] == 2 then
+                if i == 1 then
+                    tank_conns[i] = 1
+                elseif i >= first_fdef then
+                    tank_conns[i] = first_fdef
+
+                    if i > first_fdef then tank_list[i] = 0 end
+                end
+            end
+        end
+    elseif tank_mode == 5 then
+        -- (5) 3 total facility tanks (A A B C)
+        local first_fdef = calc_fdef(1, math.min(2, #tank_defs))
+        for i = 1, #tank_defs do
+            if (i >= first_fdef) and (tank_defs[i] == 2) then
+                if i == 3 or i == 4 then
+                    tank_conns[i] = i
+                elseif i >= first_fdef then
+                    tank_conns[i] = first_fdef
+
+                    if i > first_fdef then tank_list[i] = 0 end
+                end
+            end
+        end
+    elseif tank_mode == 6 then
+        -- (6) 3 total facility tanks (A B B C)
+        local first_fdef = calc_fdef(2, math.min(3, #tank_defs))
+        for i = 1, #tank_defs do
+            if tank_defs[i] == 2 then
+                if i == 1 or i == 4 then
+                    tank_conns[i] = i
+                elseif i >= first_fdef then
+                    tank_conns[i] = first_fdef
+
+                    if i > first_fdef then tank_list[i] = 0 end
+                end
+            end
+        end
+    elseif tank_mode == 7 then
+        -- (7) 3 total facility tanks (A B C C)
+        local first_fdef = calc_fdef(3, #tank_defs)
+        for i = 1, #tank_defs do
+            if tank_defs[i] == 2 then
+                if i == 1 or i == 2 then
+                    tank_conns[i] = i
+                elseif i >= first_fdef then
+                    tank_conns[i] = first_fdef
+
+                    if i > first_fdef then tank_list[i] = 0 end
+                end
+            end
+        end
+    elseif tank_mode == 8 then
+        -- (8) 4 total facility tanks (A B C D)
+        for i = 1, #tank_defs do
+            if tank_defs[i] == 2 then tank_conns[i] = i end
+        end
+    end
+
+    return tank_list, tank_conns
+end
+
 -- create the facility configuration view
 ---@param tool_ctl _svr_cfg_tool_ctl
 ---@param main_pane MultiPane
@@ -178,10 +310,12 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
 
             -- on facility tank mode 0, setup tank defs to match unit tank option
             for i = 1, tmp_cfg.UnitCount do
-                tmp_cfg.FacilityTankDefs[i] = util.trinary(tmp_cfg.CoolingConfig[i].TankConnection, 1, 0)
+                tmp_cfg.FacilityTankDefs[i] = tri(tmp_cfg.CoolingConfig[i].TankConnection, 1, 0)
             end
 
-            tmp_cfg.FacilityTankList = { table.unpack(tmp_cfg.FacilityTankDefs) }
+            tmp_cfg.FacilityTankList, tmp_cfg.FacilityTankConns = generate_tank_list_and_conns(tmp_cfg.FacilityTankMode, tmp_cfg.FacilityTankDefs)
+
+            self.draw_fluid_ops()
 
             fac_pane.set_value(7)
         end
@@ -429,132 +563,7 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
 
     local function next_from_tank_mode()
         -- determine tank list and connections
-
-        local tank_mode = tmp_cfg.FacilityTankMode
-        local tank_defs = tmp_cfg.FacilityTankDefs
-        local tank_list = { table.unpack(tank_defs) }
-        local tank_conns = { table.unpack(tank_defs) }
-
-        local function calc_fdef(start_idx, end_idx)
-            local first = 4
-            for i = start_idx, end_idx do
-                if tank_defs[i] == 2 then
-                    if i < first then first = i end
-                end
-            end
-            return first
-        end
-
-        -- set units using their own tanks as connected to their respective unit tank
-        for i = 1, #tank_defs do
-            if tank_defs[i] == 1 then tank_conns[i] = i end
-        end
-
-        if tank_mode == 1 then
-            -- (1) 1 total facility tank (A A A A)
-            local first_fdef = calc_fdef(1, #tank_defs)
-            for i = 1, #tank_defs do
-                if (i >= first_fdef) and (tank_defs[i] == 2) then
-                    tank_conns[i] = first_fdef
-
-                    if i > first_fdef then tank_list[i] = 0 end
-                end
-            end
-        elseif tank_mode == 2 then
-            -- (2) 2 total facility tanks (A A A B)
-            local first_fdef = calc_fdef(1, math.min(3, #tank_defs))
-            for i = 1, #tank_defs do
-                if (i >= first_fdef) and (tank_defs[i] == 2) then
-                    if i == 4 then
-                        tank_conns[i] = 4
-                    else
-                        tank_conns[i] = first_fdef
-
-                        if i > first_fdef then tank_list[i] = 0 end
-                    end
-                end
-            end
-        elseif tank_mode == 3 then
-            -- (3) 2 total facility tanks (A A B B)
-            for _, a in pairs({ 1, 3 }) do
-                local b = a + 1
-
-                if tank_defs[a] == 2 then
-                    tank_conns[a] = a
-                elseif tank_defs[b] == 2 then
-                    tank_conns[b] = b
-                end
-
-                if (tank_defs[a] == 2) and (tank_defs[b] == 2) then
-                    tank_list[b] = 0
-                    tank_conns[b] = a
-                end
-            end
-        elseif tank_mode == 4 then
-            -- (4) 2 total facility tanks (A B B B)
-            local first_fdef = calc_fdef(2, #tank_defs)
-            for i = 1, #tank_defs do
-                if tank_defs[i] == 2 then
-                    if i == 1 then
-                        tank_conns[i] = 1
-                    elseif i >= first_fdef then
-                        tank_conns[i] = first_fdef
-
-                        if i > first_fdef then tank_list[i] = 0 end
-                    end
-                end
-            end
-        elseif tank_mode == 5 then
-            -- (5) 3 total facility tanks (A A B C)
-            local first_fdef = calc_fdef(1, math.min(2, #tank_defs))
-            for i = 1, #tank_defs do
-                if (i >= first_fdef) and (tank_defs[i] == 2) then
-                    if i == 3 or i == 4 then
-                        tank_conns[i] = i
-                    elseif i >= first_fdef then
-                        tank_conns[i] = first_fdef
-
-                        if i > first_fdef then tank_list[i] = 0 end
-                    end
-                end
-            end
-        elseif tank_mode == 6 then
-            -- (6) 3 total facility tanks (A B B C)
-            local first_fdef = calc_fdef(2, math.min(3, #tank_defs))
-            for i = 1, #tank_defs do
-                if tank_defs[i] == 2 then
-                    if i == 1 or i == 4 then
-                        tank_conns[i] = i
-                    elseif i >= first_fdef then
-                        tank_conns[i] = first_fdef
-
-                        if i > first_fdef then tank_list[i] = 0 end
-                    end
-                end
-            end
-        elseif tank_mode == 7 then
-            -- (7) 3 total facility tanks (A B C C)
-            local first_fdef = calc_fdef(3, #tank_defs)
-            for i = 1, #tank_defs do
-                if tank_defs[i] == 2 then
-                    if i == 1 or i == 2 then
-                        tank_conns[i] = i
-                    elseif i >= first_fdef then
-                        tank_conns[i] = first_fdef
-
-                        if i > first_fdef then tank_list[i] = 0 end
-                    end
-                end
-            end
-        elseif tank_mode == 8 then
-            -- (8) 4 total facility tanks (A B C D)
-            for i = 1, #tank_defs do
-                if tank_defs[i] == 2 then tank_conns[i] = i end
-            end
-        end
-
-        tmp_cfg.FacilityTankList = tank_list
-        tmp_cfg.FacilityTankConns = tank_conns
+        tmp_cfg.FacilityTankList, tmp_cfg.FacilityTankConns = generate_tank_list_and_conns(tmp_cfg.FacilityTankMode, tmp_cfg.FacilityTankDefs)
 
         self.draw_fluid_ops()
 
@@ -578,7 +587,7 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
     --#endregion
     --#region Dynamic Tank Fluid Types
 
-    TextBox{parent=fac_c_7,height=3,text="Specify the type of coolant each tank will contain. This only affects visualizations, not operation. You cannot set Sodium if one or more of the connected reactors is water cooled."}
+    TextBox{parent=fac_c_7,height=3,text="Specify the type of coolant each tank will contain, for display use only. Water is the only option if one or more of the connected units is water cooled."}
 
     local tank_fluid_list = Div{parent=fac_c_7,x=1,y=5,height=8}
 
@@ -591,15 +600,17 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
         local next_f = 1
 
         for i = 1, #tank_list do
+            local type = tmp_cfg.TankFluidTypes[i]
+
             self.tank_fluid_opts[i] = nil
 
             if tank_list[i] == 1 then
                 local row = Div{parent=tank_fluid_list,height=2}
 
                 TextBox{parent=row,width=11,text="Unit Tank "..i}
-                TextBox{parent=row,text="Connected to: Unit "..i}
+                TextBox{parent=row,text="Connected to: Unit "..i,fg_bg=cpair(colors.gray,colors.lightGray)}
 
-                local tank_fluid = Radio2D{parent=row,x=15,y=1,rows=1,columns=2,default=ini_cfg.TankFluidTypes[i],options={"Water","Sodium"},radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.yellow,disable_color=colors.gray,disable_fg_bg=g_lg_fg_bg}
+                local tank_fluid = Radio2D{parent=row,x=34,y=1,rows=1,columns=2,default=type,options={"Water","Sodium"},radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.yellow,disable_color=colors.gray,disable_fg_bg=g_lg_fg_bg}
 
                 if tmp_cfg.CoolingConfig[i].BoilerCount == 0 then
                     tank_fluid.set_value(1)
@@ -612,19 +623,19 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
 
                 TextBox{parent=row,width=15,text="Facility Tank "..next_f}
 
-                local conns = "Connected to: "
+                local conns = ""
                 local any_bwr = false
 
                 for u = 1, #tank_conns do
                     if tank_conns[u] == i then
-                        conns = conns .. "Unit " .. u .. " "
+                        conns = conns .. tri(conns == "", "", ", ") .. "Unit " .. u
                         any_bwr = any_bwr or (tmp_cfg.CoolingConfig[u].BoilerCount == 0)
                     end
                 end
 
-                TextBox{parent=row,text=conns}
+                TextBox{parent=row,text="Connected to: "..conns,fg_bg=cpair(colors.gray,colors.lightGray)}
 
-                local tank_fluid = Radio2D{parent=row,x=15,y=1,rows=1,columns=2,default=ini_cfg.TankFluidTypes[i],options={"Water","Sodium"},radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.yellow,disable_color=colors.gray,disable_fg_bg=g_lg_fg_bg}
+                local tank_fluid = Radio2D{parent=row,x=34,y=1,rows=1,columns=2,default=type,options={"Water","Sodium"},radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.yellow,disable_color=colors.gray,disable_fg_bg=g_lg_fg_bg}
 
                 if any_bwr then
                     tank_fluid.set_value(1)
@@ -638,6 +649,10 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
         end
     end
 
+    local function back_from_fluids()
+        fac_pane.set_value(tri(tmp_cfg.FacilityTankMode == 0, 3, 5))
+    end
+
     local function submit_tank_fluids()
         tmp_cfg.TankFluidTypes = {}
 
@@ -652,7 +667,7 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
         fac_pane.set_value(8)
     end
 
-    PushButton{parent=fac_c_7,x=1,y=14,text="\x1b Back",callback=function()fac_pane.set_value(5)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=fac_c_7,x=1,y=14,text="\x1b Back",callback=back_from_fluids,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
     PushButton{parent=fac_c_7,x=44,y=14,text="Next \x1a",callback=submit_tank_fluids,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
     --#endregion
@@ -672,8 +687,8 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
         main_pane.set_value(3)
     end
 
-    PushButton{parent=fac_c_7,x=1,y=14,text="\x1b Back",callback=back_from_idling,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
-    PushButton{parent=fac_c_7,x=44,y=14,text="Next \x1a",callback=submit_idling,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=fac_c_8,x=1,y=14,text="\x1b Back",callback=back_from_idling,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=fac_c_8,x=44,y=14,text="Next \x1a",callback=submit_idling,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
     --#endregion
 
diff --git a/supervisor/config/system.lua b/supervisor/config/system.lua
index 9e0b0c7..cb5bacd 100644
--- a/supervisor/config/system.lua
+++ b/supervisor/config/system.lua
@@ -557,6 +557,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, fac_pane, style, exit
             local val_max_w = (inner_width - label_w) + 1
             local raw = cfg[f[1]]
             local val = util.strval(raw)
+            local skip = false
 
             if f[1] == "AuthKey" then val = string.rep("*", string.len(val))
             elseif f[1] == "LogMode" then val = tri(raw == log.MODE.APPEND, "append", "replace")
@@ -593,29 +594,49 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, fac_pane, style, exit
                 end
 
                 if val == "" then val = "no facility tanks" end
+            elseif f[1] == "FacilityTankList" or f[1] == "FacilityTankConns" then
+                -- hide
+                skip = true
+            elseif f[1] == "TankFluidTypes" and type(cfg.TankFluidTypes) == "table" and type(cfg.FacilityTankDefs) == "table" then
+                val = ""
+
+                for idx = 1, #cfg.FacilityTankDefs do
+                    local t_mode = "not connected to a tank"
+                    if cfg.FacilityTankDefs[idx] == 1 then
+                        t_mode = "connected to its unit tank"
+                    elseif cfg.FacilityTankDefs[idx] == 2 then
+                        t_mode = "connected to a facility tank"
+                    end
+
+                    val = val .. tri(idx == 1, "", "\n") .. util.sprintf(" \x07 unit %d - %s", idx, t_mode)
+                end
+
+                if val == "" then val = "no emergency coolant tanks" end
             end
 
-            if val == "nil" then val = "<not set>" end
+            if not skip then
+                if val == "nil" then val = "<not set>" end
 
-            local c = tri(alternate, g_lg_fg_bg, cpair(colors.gray,colors.white))
-            alternate = not alternate
+                local c = tri(alternate, g_lg_fg_bg, cpair(colors.gray,colors.white))
+                alternate = not alternate
 
-            if string.len(val) > val_max_w then
-                local lines = util.strwrap(val, inner_width)
-                height = #lines + 1
+                if string.len(val) > val_max_w then
+                    local lines = util.strwrap(val, inner_width)
+                    height = #lines + 1
+                end
+
+                local line = Div{parent=setting_list,height=height,fg_bg=c}
+                TextBox{parent=line,text=f[2],width=string.len(f[2]),fg_bg=cpair(colors.black,line.get_fg_bg().bkg)}
+
+                local textbox
+                if height > 1 then
+                    textbox = TextBox{parent=line,x=1,y=2,text=val,height=height-1}
+                else
+                    textbox = TextBox{parent=line,x=label_w+1,y=1,text=val,alignment=RIGHT}
+                end
+
+                if f[1] == "AuthKey" then self.auth_key_textbox = textbox end
             end
-
-            local line = Div{parent=setting_list,height=height,fg_bg=c}
-            TextBox{parent=line,text=f[2],width=string.len(f[2]),fg_bg=cpair(colors.black,line.get_fg_bg().bkg)}
-
-            local textbox
-            if height > 1 then
-                textbox = TextBox{parent=line,x=1,y=2,text=val,height=height-1}
-            else
-                textbox = TextBox{parent=line,x=label_w+1,y=1,text=val,alignment=RIGHT}
-            end
-
-            if f[1] == "AuthKey" then self.auth_key_textbox = textbox end
         end
     end
 
diff --git a/supervisor/configure.lua b/supervisor/configure.lua
index f4e71f2..73acd96 100644
--- a/supervisor/configure.lua
+++ b/supervisor/configure.lua
@@ -114,6 +114,9 @@ local fields = {
     { "CoolingConfig", "Cooling Configuration", {} },
     { "FacilityTankMode", "Facility Tank Mode", 0 },
     { "FacilityTankDefs", "Facility Tank Definitions", {} },
+    { "FacilityTankList", "Facility Tank List", {} },         -- hidden
+    { "FacilityTankConns", "Facility Tank Connections", {} }, -- hidden
+    { "TankFluidTypes", "Tank Fluid Types", {} },
     { "ExtChargeIdling", "Extended Charge Idling", false },
     { "SVR_Channel", "SVR Channel", 16240 },
     { "PLC_Channel", "PLC Channel", 16241 },
@@ -180,7 +183,7 @@ local function config_view(display)
     TextBox{parent=main_page,x=2,y=2,height=2,text="Welcome to the Supervisor configurator! Please select one of the following options."}
 
     if tool_ctl.ask_config then
-        TextBox{parent=main_page,x=2,y=y_start,height=4,width=49,text="Notice: This device is not configured for this version of the supervisor. If you previously had a valid config, you may want to check the Change Log to see what changed.",fg_bg=cpair(colors.red,colors.lightGray)}
+        TextBox{parent=main_page,x=2,y=y_start,height=4,width=49,text="Notice: This device is not configured for this version of the supervisor. If you previously had a valid config, it's not lost. You may want to check the Change Log to see what changed.",fg_bg=cpair(colors.red,colors.lightGray)}
         y_start = y_start + 5
     end
 
diff --git a/supervisor/supervisor.lua b/supervisor/supervisor.lua
index afc2bb5..fe7b011 100644
--- a/supervisor/supervisor.lua
+++ b/supervisor/supervisor.lua
@@ -27,6 +27,8 @@ function supervisor.load_config()
     config.CoolingConfig = settings.get("CoolingConfig")
     config.FacilityTankMode = settings.get("FacilityTankMode")
     config.FacilityTankDefs = settings.get("FacilityTankDefs")
+    config.FacilityTankList = settings.get("FacilityTankList")
+    config.FacilityTankConns = settings.get("FacilityTankConns")
     config.TankFluidTypes = settings.get("TankFluidTypes")
     config.ExtChargeIdling = settings.get("ExtChargeIdling")
 
@@ -59,6 +61,8 @@ function supervisor.load_config()
     cfv.assert_type_table(config.CoolingConfig)
     cfv.assert_type_int(config.FacilityTankMode)
     cfv.assert_type_table(config.FacilityTankDefs)
+    cfv.assert_type_table(config.FacilityTankList)
+    cfv.assert_type_table(config.FacilityTankConns)
     cfv.assert_type_table(config.TankFluidTypes)
     cfv.assert_range(config.FacilityTankMode, 0, 8)