Guardian PowerVent Training Manual SVC900; Rev 1
Page 42
11. Turn water heater on at blower motor.
12. Set thermostat setting not to exceed
120
0
and check main burner
operation.
HOW TO REPLACE THE GUARDIAN POWERVENT FLAMMABLE VAPOR (FV) SENSOR
1. Turn the unit off and unplug the
heater. If not, you could be shocked
with 120 volts of electricity.
2. Turn the gas valve to OFF. Remove
plastic grey cover to the Molex
connections
3. Remove outer door jacket
4. Remove the white Flammable Vapor
(FV) Sensor Molex connector.
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