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110331-07 - 8/23
PHTM II
Combi Installation, Operating & Service Instructions
Figure 3-7: Boiler Connections
3
Specifications
(continued)
Safety
Relief
Valve
Vent
Connector
Air Intake
Front View
120 VAC
Knockouts
Low Voltage
Knockouts
Domestic
Cold Water
Inlet
Boiler Return
Condensate Trap
Cleanout
Condensate Drain
Gas
Domestic
Hot Water
Outlet
Boiler
Supply
Bottom View
Combi Block Drain (hydronic side)