Mascot FT, Heating Only, Boiler
Page 41
4.14 Plumbing Guidelines
External Plumbing and Water Connection
Guidelines
- Ensure pipe material meets local codes and
industry standards.
- The pipe end must be clean and free of debris.
- Do not apply torch heat within 12˝ of the bottom
connections of the unit.
- The size of the DHW pipe should be 3/4˝
diameter and central heating water pipe should
be 1˝ diameter.
- Isolation valves(Shutoff valve) will be used.
- All piping should be insulated.
Applicable Backow Preventer
- Apply a backow preventer valve in the DHW
supply inlet (water Inlet) to the unit as required by
local codes.
Use at least the MINIMUM pipe size for the entire
boiler loop piping (connecting boiler to and from
the primary/secondary connection). Use only
primary/secondary piping as shown.
Failure to follow these guidelines could result in
system problems.
CH pipe minimum size : 1˝
DWH pipe minimum size : 3/4˝
CAUTION
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