American Water Heater GAS-FIRED COMMERCIAL WATER HEATER User Manual
Page 40
40
GAS WATER HEATERS
SUITABLE FOR WATER (POTABLE) HEATING AND SPACE
HEATING
1. All piping components connected to this water heater for space heating
applications must be suitable for use with potable water.
2. Toxic chemicals, such as those used for boiler treatment, shall not be
introduced into potable water used for space heating.
3. This water heater shall not be connected to a 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 a tempering valve shall be
installed to temper the water for those uses in order to reduce the scald
hazard potential.
Please refer to the illustrations below and on the following pages for
suggested piping arrangements.
Suggested Piping Arrangement For Side Connections
Index