Flammable Vapor Device Testing And Replacement - Bradford White URG1PV40S*N Service Manual

UPV Series
Flammable Vapor Sensor Testing
Step 1. Position power switch on gas
control to the "OFF" position.
Step 2. Disconnect flammable vapor
sensor from gas control.
Step 3. Using a multi-meter set to the
ohms setting, check resistance of
flammable vapor sensor.
Resistance must be within 3,000
ohms and 48,000 ohms. If outside
of this range replace Flammable
Vapor Sensor.
DO NOT use a standard multi-meter probe for this
test. Doing so will damage connector. Use
special pin type electronic probes or small
diameter wire pins inserted into connector.
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CAUTION