Heating - American Water Heater DIRECT VENT GAS WATER HEATER Installation And Operating Instruction Manual

THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF:
GAS WATER HEATERS
SUITABLE FOR WATER (POTABLE) HEATING AND SPACE
1. All piping components connected to this water heater for space heating
applications must be suitable for use with potable water. In
Massachusetts, space heating piping length must not exceed 50 feet.
2. Toxic chemicals, such as those used for boiler treatment, must not
be introduced into potable water used for space heating;
3. This water heater must not be connected to an existing heating system
or component(s) previously used with a non-potable water heating
appliance;
4. When the system requires water for space heating at temperatures
higher than required for other means, such as an ASSE approved mixing
valve must be installed to temper the water for those uses in order to
reduce the scald hazard potential.
Please refer to the illustration for suggested piping arrangements.

HEATING

39