INSTALLATION AND OPERATION INSTRUCTIONS
4
HC SERIES BOILERS HC 13-50, HC 23-84, HC 29-106, HC 33-124, HC 20-125, HC 33-160
Hotter water increases the risk of scald injury. Before changing the temperature setting, see
instruction manual.
WARNING
CAUTION
WATER HEATER INSTALLATION GUIDELINES
This boiler must be installed in accordance with local codes, if any; if not follow the National
Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code,
CAN/CSA B149.1, as applicable.
Failure to correctly install and operate this appliance can result in severe personal injury
The water heater, if utilized, shall have a pressure relief valve installed within 6” [152mm] of the
DHW HOT outlet connection with the relief valve spindle installed in the vertical position.
The water heater, if utilized, requires a pressure relief valve identified with the ASME V or HV
symbol and set to relieve at or below 150psi of domestic water pressure and a minimum
For complete information refer to installation manual.
Read and follow warnings and instructions.
or death.
Refer to the Boiler User’s Manual before operating relief valve.
relieving capacity of 124,000 Btu/hr with 3/4” NPT threads. For safe operation of the water
heater, the relief valve must not be removed from its designated point of installation or plugged.
ADJUSTABLE TEMPERATURE SETTING
Press the and hold for 2 seconds, then press again. When the LED is lit, the
Domestic Hot Water temperature can be set.
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