40
GAS LINE CONNECTION
NOTE: Make the transition to the larger supply gas line as
FIELD INSTALLED
PIPE NIPPLE
INSTALL A REDUCER
COUPLING WHEN A
LARGER SUPPLY GAS
LINE IS REQUIRED
SUPPLY GAS LINE CONNECTION
120,000 & 150,000 Btu/hr MODELS
24 VOLT
GAS VALVE
TO MAIN
BURNER
FLOW
Figure 53
LOW GAS PRESSURE
SWITCH
COMBUSTION
BLOWER
SUPPLY GAS CONNECTION
FACTORY INSTALLED
TEE FITTING
SUPPLY GAS LINE CONNECTION
199,000 & 250,000 Btu/hr MODELS
Figure 54
DO NOT
NOTE:
GAS LINE LEAK TESTING
Fire and Explosion Hazard
Leak test before placing the
water heater in operation.
Disconnect gas piping and main
gas shutoff valve before leak
testing.
Install sediment trap in
accordance with NFPA 54.
Use joint compound or Teflon tape
compatible with propane gas.
PURGING
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