CWH companion water heater — Product Manual
Dimensions
Figure 25 Dimensions — CWH Companion Water Heater, right-side mixing valve orientation — All dimensions in INCHES
1. CWH water heater, tank and
enclosure
Tank can be oriented with DHW inlet/
outlet connections on right or rotated
180° to place DHW connections on the
left.
Enclosure front and rear sections snap
together. Front portion can be pulled
forward to expose the interior for service
and inspection.
2. CWH piping access cover
3. Boiler water RETURN connection
(to boiler) (1” MNPT)
4. Boiler water SUPPLY connection
(from boiler) (1” MNPT)
5. Top tank temperature sensor
6. T&P relief valve tapping (¾” FNPT)
7. Lower tank temperature sensor
8. DHW inlet connection (¾” MNPT)
9. DHW outlet connection (¾” MNPT)
10. Mixing valve (Honeywell
AMX302TLF) — kit includes
item 11 and item 12
11. Cold water tee
12. Flexible metal connector
13. Leveling legs
Part number 635-500-156/0113
43
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