34
Installation Instructions for Potable Water and Space
Heating
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
(15.2 m).
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, 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 Figure 7 for suggested piping arrangements.
Figure 7
Summary of Contents for D4403S series
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