diff --git a/coordinator/database.lua b/coordinator/database.lua
index b15bf05..3cee4ac 100644
--- a/coordinator/database.lua
+++ b/coordinator/database.lua
@@ -51,4 +51,7 @@ function database.init(conf)
     end
 end
 
+-- get the database
+function database.get() return db end
+
 return database
diff --git a/coordinator/ui/components/boiler.lua b/coordinator/ui/components/boiler.lua
index 204c317..f45585b 100644
--- a/coordinator/ui/components/boiler.lua
+++ b/coordinator/ui/components/boiler.lua
@@ -14,7 +14,12 @@ local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 local cpair = core.graphics.cpair
 local border = core.graphics.border
 
-local function new_view(root, x, y)
+-- new boiler view
+---@param root graphics_element
+---@param x integer
+---@param y integer
+---@param ps psil
+local function new_view(root, x, y, ps)
     local boiler = Rectangle{parent=root,border=border(1, colors.gray, true),width=31,height=7,x=x,y=y}
 
     local text_fg_bg = cpair(colors.black, colors.lightGray)
@@ -24,6 +29,10 @@ local function new_view(root, x, y)
     local temp   = DataIndicator{parent=boiler,x=5,y=3,lu_colors=lu_col,label="Temp:",unit="K",format="%10.2f",value=1900,width=22,fg_bg=text_fg_bg}
     local boil_r = DataIndicator{parent=boiler,x=5,y=4,lu_colors=lu_col,label="Boil:",unit="mB/t",format="%10.0f",value=801523,commas=true,width=22,fg_bg=text_fg_bg}
 
+    ps.subscribe("status", status.update)
+    ps.subscribe("temp", temp.update)
+    ps.subscribe("boil_rate", boil_r.update)
+
     TextBox{parent=boiler,text="H",x=2,y=5,height=1,width=1,fg_bg=text_fg_bg}
     TextBox{parent=boiler,text="W",x=3,y=5,height=1,width=1,fg_bg=text_fg_bg}
     TextBox{parent=boiler,text="S",x=27,y=5,height=1,width=1,fg_bg=text_fg_bg}
@@ -32,12 +41,17 @@ local function new_view(root, x, y)
     local hcool = VerticalBar{parent=boiler,x=2,y=1,fg_bg=cpair(colors.orange,colors.gray),height=4,width=1}
     local water = VerticalBar{parent=boiler,x=3,y=1,fg_bg=cpair(colors.blue,colors.gray),height=4,width=1}
     local steam = VerticalBar{parent=boiler,x=27,y=1,fg_bg=cpair(colors.white,colors.gray),height=4,width=1}
-    local cool  = VerticalBar{parent=boiler,x=28,y=1,fg_bg=cpair(colors.lightBlue,colors.gray),height=4,width=1}
+    local ccool = VerticalBar{parent=boiler,x=28,y=1,fg_bg=cpair(colors.lightBlue,colors.gray),height=4,width=1}
+
+    ps.subscribe("hcool", hcool.update)
+    ps.subscribe("water", water.update)
+    ps.subscribe("steam", steam.update)
+    ps.subscribe("ccool", ccool.update)
 
     hcool.update(0.22)
     water.update(1)
     steam.update(0.05)
-    cool.update(0.13)
+    ccool.update(0.13)
 end
 
 return new_view
diff --git a/coordinator/ui/components/reactor.lua b/coordinator/ui/components/reactor.lua
index acd1ba7..05d27dd 100644
--- a/coordinator/ui/components/reactor.lua
+++ b/coordinator/ui/components/reactor.lua
@@ -14,7 +14,11 @@ local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 local cpair = core.graphics.cpair
 local border = core.graphics.border
 
-local function new_view(root, x, y)
+---@param root graphics_element
+---@param x integer
+---@param y integer
+---@param ps psil
+local function new_view(root, x, y, ps)
     local reactor = Rectangle{parent=root,border=border(1, colors.gray, true),width=30,height=7,x=x,y=y}
 
     local text_fg_bg = cpair(colors.black, colors.lightGray)
@@ -25,6 +29,11 @@ local function new_view(root, x, y)
     local burn_r    = DataIndicator{parent=reactor,x=2,y=4,lu_colors=lu_col,label="Burn Rate:",unit="mB/t",format="%10.1f",value=40.1,width=26,fg_bg=text_fg_bg}
     local heating_r = DataIndicator{parent=reactor,x=2,y=5,lu_colors=lu_col,label="Heating:",unit="mB/t",format="%12.0f",value=8015342,commas=true,width=26,fg_bg=text_fg_bg}
 
+    ps.subscribe("status", status.update)
+    ps.subscribe("temp", core_temp.update)
+    ps.subscribe("burn_rate", burn_r.update)
+    ps.subscribe("heating_rate", heating_r.update)
+
     local reactor_fills = Rectangle{parent=root,border=border(1, colors.gray, true),width=24,height=7,x=(x + 29),y=y}
 
     TextBox{parent=reactor_fills,text="FUEL",x=2,y=1,height=1,fg_bg=text_fg_bg}
@@ -33,12 +42,17 @@ local function new_view(root, x, y)
     TextBox{parent=reactor_fills,text="WASTE",x=2,y=5,height=1,fg_bg=text_fg_bg}
 
     local fuel  = HorizontalBar{parent=reactor_fills,x=8,y=1,show_percent=true,bar_fg_bg=cpair(colors.black,colors.gray),height=1,width=14}
-    local cool  = HorizontalBar{parent=reactor_fills,x=8,y=2,show_percent=true,bar_fg_bg=cpair(colors.lightBlue,colors.gray),height=1,width=14}
+    local ccool = HorizontalBar{parent=reactor_fills,x=8,y=2,show_percent=true,bar_fg_bg=cpair(colors.lightBlue,colors.gray),height=1,width=14}
     local hcool = HorizontalBar{parent=reactor_fills,x=8,y=4,show_percent=true,bar_fg_bg=cpair(colors.orange,colors.gray),height=1,width=14}
     local waste = HorizontalBar{parent=reactor_fills,x=8,y=5,show_percent=true,bar_fg_bg=cpair(colors.brown,colors.gray),height=1,width=14}
 
+    ps.subscribe("fuel", fuel.update)
+    ps.subscribe("ccool", ccool.update)
+    ps.subscribe("hcool", hcool.update)
+    ps.subscribe("waste", waste.update)
+
     fuel.update(1)
-    cool.update(0.85)
+    ccool.update(0.85)
     hcool.update(0.08)
     waste.update(0.32)
 end
diff --git a/coordinator/ui/components/turbine.lua b/coordinator/ui/components/turbine.lua
index b4ad063..9498524 100644
--- a/coordinator/ui/components/turbine.lua
+++ b/coordinator/ui/components/turbine.lua
@@ -14,18 +14,29 @@ local TEXT_ALIGN = core.graphics.TEXT_ALIGN
 local cpair = core.graphics.cpair
 local border = core.graphics.border
 
-local function new_view(root, x, y)
+-- new turbine view
+---@param root graphics_element
+---@param x integer
+---@param y integer
+---@param ps psil
+local function new_view(root, x, y, ps)
     local turbine = Rectangle{parent=root,border=border(1, colors.gray, true),width=23,height=7,x=x,y=y}
 
     local text_fg_bg = cpair(colors.black, colors.lightGray)
     local lu_col = cpair(colors.gray, colors.gray)
 
     local status     = StateIndicator{parent=turbine,x=8,y=1,states=style.turbine.states,value=3,min_width=10}
-    local production = DataIndicator{parent=turbine,x=5,y=3,lu_colors=lu_col,label="",unit="MFE",format="%10.2f",value=3.2,width=16,fg_bg=text_fg_bg}
+    local prod_rate  = DataIndicator{parent=turbine,x=5,y=3,lu_colors=lu_col,label="",unit="MFE",format="%10.2f",value=3.2,width=16,fg_bg=text_fg_bg}
     local flow_rate  = DataIndicator{parent=turbine,x=5,y=4,lu_colors=lu_col,label="",unit="mB/t",format="%10.0f",value=801523,commas=true,width=16,fg_bg=text_fg_bg}
 
+    ps.subscribe("status", status.update)
+    ps.subscribe("prod_rate", prod_rate.update)
+    ps.subscribe("flow_rate", flow_rate.update)
+
     local steam = VerticalBar{parent=turbine,x=2,y=1,fg_bg=cpair(colors.white,colors.gray),height=5,width=2}
 
+    ps.subscribe("steam", steam.update)
+
     steam.update(0.12)
 end
 
diff --git a/coordinator/ui/components/unit_overview.lua b/coordinator/ui/components/unit_overview.lua
index e4c6b3a..6819930 100644
--- a/coordinator/ui/components/unit_overview.lua
+++ b/coordinator/ui/components/unit_overview.lua
@@ -17,25 +17,37 @@ local border = core.graphics.border
 local pipe = core.graphics.pipe
 
 ---@param parent graphics_element
-local function make(parent, x, y, unit_id)
+---@param x integer
+---@param y integer
+---@param unit coord_db_entry
+local function make(parent, x, y, unit)
     -- bounding box div
     local root = Div{parent=parent,x=x,y=y,width=80,height=25}
 
     -- unit header message
-    TextBox{parent=root,text="Unit #" .. unit_id,alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.header}
+    TextBox{parent=root,text="Unit #" .. unit.unit_id,alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.header}
+
+    local num_boilers = #unit.boiler_data_tbl
+    local num_turbines = #unit.turbine_data_tbl
 
     -------------
     -- REACTOR --
     -------------
 
-    reactor_view(root, 1, 3)
+    reactor_view(root, 1, 3, unit.reactor_ps)
 
-    local coolant_pipes = {
-        pipe(0, 0, 11, 12, colors.lightBlue),
-        pipe(0, 0, 11, 3, colors.lightBlue),
-        pipe(2, 0, 11, 2, colors.orange),
-        pipe(2, 0, 11, 11, colors.orange)
-    }
+    local coolant_pipes = {}
+
+    if num_boilers == 2 then
+        table.insert(coolant_pipes, pipe(0, 0, 11, 12, colors.lightBlue))
+    end
+
+    table.insert(coolant_pipes, pipe(0, 0, 11, 3, colors.lightBlue))
+    table.insert(coolant_pipes, pipe(2, 0, 11, 2, colors.orange))
+
+    if num_boilers == 2 then
+        table.insert(coolant_pipes, pipe(2, 0, 11, 11, colors.orange))
+    end
 
     PipeNetwork{parent=root,x=4,y=10,pipes=coolant_pipes,bg=colors.lightGray}
 
@@ -43,41 +55,78 @@ local function make(parent, x, y, unit_id)
     -- BOILERS --
     -------------
 
-    boiler_view(root, 16, 11)
-    boiler_view(root, 16, 19)
+    boiler_view(root, 16, 11, unit.boiler_ps_tbl[1])
+    if num_boilers == 2 then boiler_view(root, 16, 19, unit.boiler_ps_tbl[2]) end
 
     --------------
     -- TURBINES --
     --------------
 
-    turbine_view(root, 58, 3)
-    turbine_view(root, 58, 11)
-    turbine_view(root, 58, 19)
+    local t_idx = 1
+
+    if num_turbines == 3 then
+        turbine_view(root, 58, 3, unit.turbine_ps_tbl[t_idx])
+        t_idx = t_idx + 1
+    end
+
+    if num_turbines >= 1 then
+        turbine_view(root, 58, 11, unit.turbine_ps_tbl[t_idx])
+        t_idx = t_idx + 1
+    end
+
+    if num_turbines >= 2 then turbine_view(root, 58, 19, unit.turbine_ps_tbl[t_idx]) end
 
     local steam_pipes_a = {
-        -- boiler 1
-        pipe(0, 1, 6, 1, colors.white, false, true),
-        pipe(0, 2, 6, 2, colors.blue, false, true),
-        -- boiler 2
-        pipe(0, 9, 6, 9, colors.white, false, true),
-        pipe(0, 10, 6, 10, colors.blue, false, true)
+        -- boiler 1 steam/water pipes
+        pipe(0, 1, 6, 1, colors.white, false, true),    -- steam boiler 1 to turbine junction
+        pipe(0, 2, 6, 2, colors.blue, false, true)      -- water boiler 1 to turbine junction
     }
 
-    local steam_pipes_b = {
-        -- turbines 1 & 2, pipes from boiler 1
-        pipe(0, 9, 1, 2, colors.white, false, true),
-        pipe(1, 1, 3, 1, colors.white, false, false),
-        pipe(0, 9, 3, 9, colors.white, false, true),
-        pipe(0, 10, 2, 3, colors.blue, false, true),
-        pipe(2, 2, 3, 2, colors.blue, false, false),
-        pipe(0, 10, 3, 10, colors.blue, false, true),
-        -- turbine 3, pipes from boiler 2
-        pipe(0, 18, 1, 9, colors.white, false, true),
-        pipe(1, 1, 3, 1, colors.white, false, false),
-        pipe(0, 17, 3, 17, colors.white, false, true),
-        pipe(0, 18, 2, 10, colors.blue, false, true),
-        pipe(0, 18, 3, 18, colors.blue, false, true),
-    }
+    if num_boilers == 2 then
+        -- boiler 2 steam/water pipes
+        table.insert(steam_pipes_a, pipe(0, 9, 6, 9, colors.white, false, true))    -- steam boiler 2 to turbine junction
+        table.insert(steam_pipes_a, pipe(0, 10, 6, 10, colors.blue, false, true))   -- water boiler 2 to turbine junction
+    end
+
+    local steam_pipes_b = {}
+
+    if num_turbines == 3 then
+        table.insert(steam_pipes_b, pipe(0, 9, 1, 2, colors.white, false, true))    -- steam boiler 1 to turbine 1 junction start
+        table.insert(steam_pipes_b, pipe(1, 1, 3, 1, colors.white, false, false))   -- steam boiler 1 to turbine 1 junction end
+    end
+
+    table.insert(steam_pipes_b, pipe(0, 9, 3, 9, colors.white, false, true))        -- steam boiler 1 to turbine 2
+
+    if num_turbines == 3 then
+        table.insert(steam_pipes_b, pipe(0, 10, 2, 3, colors.blue, false, true))    -- water boiler 1 to turbine 1 junction start
+        table.insert(steam_pipes_b, pipe(2, 2, 3, 2, colors.blue, false, false))    -- water boiler 1 to turbine 1 junction end
+    end
+
+    table.insert(steam_pipes_b, pipe(0, 10, 3, 10, colors.blue, false, true))       -- water boiler 1 to turbine 2
+
+    if num_turbines >= 2 then
+        if num_boilers == 2 then
+            table.insert(steam_pipes_b, pipe(0, 17, 1, 9, colors.white, false, true))     -- steam boiler 2 to turbine 2 junction
+            table.insert(steam_pipes_b, pipe(0, 17, 3, 17, colors.white, false, true))  -- steam boiler 2 to turbine 3
+        else
+            table.insert(steam_pipes_b, pipe(1, 17, 1, 9, colors.white, false, true))   -- steam boiler 2 to turbine 2 junction
+            table.insert(steam_pipes_b, pipe(1, 17, 3, 17, colors.white, false, true))  -- steam boiler 2 to turbine 3
+        end
+
+        if num_boilers == 2 then
+            table.insert(steam_pipes_b, pipe(0, 18, 2, 10, colors.blue, false, true))   -- water boiler 2 to turbine 3
+            table.insert(steam_pipes_b, pipe(0, 18, 3, 18, colors.blue, false, true))   -- water boiler 2 to turbine 2 junction
+        else
+            table.insert(steam_pipes_b, pipe(2, 18, 2, 10, colors.blue, false, true))   -- water boiler 2 to turbine 3
+            table.insert(steam_pipes_b, pipe(2, 18, 3, 18, colors.blue, false, true))   -- water boiler 2 to turbine 2 junction
+        end
+    elseif num_turbines == 1 and num_boilers == 2 then
+        table.insert(steam_pipes_b, pipe(0, 17, 1, 9, colors.white, false, true))       -- steam boiler 2 to turbine 2 junction
+        table.insert(steam_pipes_b, pipe(0, 17, 1, 17, colors.white, false, true))      -- steam boiler 2 to turbine 3
+
+        table.insert(steam_pipes_b, pipe(0, 18, 2, 10, colors.blue, false, true))       -- water boiler 2 to turbine 3
+        table.insert(steam_pipes_b, pipe(0, 18, 2, 18, colors.blue, false, true))       -- water boiler 2 to turbine 2 junction
+    end
 
     PipeNetwork{parent=root,x=47,y=11,pipes=steam_pipes_a,bg=colors.lightGray}
     PipeNetwork{parent=root,x=54,y=3,pipes=steam_pipes_b,bg=colors.lightGray}
diff --git a/coordinator/ui/layout/main_view.lua b/coordinator/ui/layout/main_view.lua
index da51586..f45413c 100644
--- a/coordinator/ui/layout/main_view.lua
+++ b/coordinator/ui/layout/main_view.lua
@@ -2,10 +2,12 @@
 -- Main SCADA Coordinator GUI
 --
 
-local core   = require("graphics.core")
-local log    = require("scada-common.log")
+local log = require("scada-common.log")
 
-local style  = require("coordinator.ui.style")
+local database = require("coordinator.database")
+local style    = require("coordinator.ui.style")
+
+local core = require("graphics.core")
 
 local DisplayBox = require("graphics.elements.displaybox")
 local TextBox    = require("graphics.elements.textbox")
@@ -20,11 +22,13 @@ local function init(monitor)
     -- window header message
     TextBox{parent=main,text="Nuclear Generation Facility SCADA Coordinator",alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.header}
 
+    local db = database.get()
+
     -- unit overviews
-    unit_overview(main, 2, 3, 1)
-    unit_overview(main, 84, 3, 2)
-    unit_overview(main, 2, 29, 3)
-    unit_overview(main, 84, 29, 4)
+    if db.facility.num_units >= 1 then unit_overview(main, 2, 3, db.units[1]) end
+    if db.facility.num_units >= 2 then unit_overview(main, 84, 3, db.units[2]) end
+    if db.facility.num_units >= 3 then unit_overview(main, 2, 29, db.units[3]) end
+    if db.facility.num_units == 4 then unit_overview(main, 84, 29, db.units[4]) end
 
     return main
 end