Domestic
water supply
Anti-scald
mixing valve
Hot Water Outlets
Glow T180 Water Heater with Airmax Fan Coil
Airmax
Air Handler (c/w pump timer for potable water flush)
T
Conductors to
suit stat choice
120/ 1 /60
Expansion tank required if
check valve used in
domestic water supply
(as per local codes)
Air Vent
at Highest
Point
PRV valve
Three Speed Pump
Glow T180 Water Heater
(Suitable for combination
water (potable) heating
and space heating and
not suitable for space
heating only)
inlet
outlet
gas
120/ 1 /60
Recirculation Using Cold Water Return Line
Thermal ByPass Valve (Located at farthest fixture from appliance)
Cold Water Outlets
120/ 1 /60
Instant Hot Water System
Part # 140-103
Figure 3.9
Pipe to drain
Ball Valve
Check Valve
Hose Bib
Union
Must be
installed
One size larger
diameter
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