Service manual

SECTION 10: WIRING
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10.8 UHA[T][X][S] Series Internal Wiring Diagram for Two Stage Gas Valves
1
W2
HIGH/LOW CONTROL
HIGH
LOW
COMMON
NOTE:
For field wiring into service junction box, or if any of the original wire supplied with the heater
must be replaced, it must be replaced with wiring material having a temperature rating of at least 105° C
(221° F) and 600 volts. For supply connections use No. 14 AWG or larger wires.