I bought a used burner a few weeks ago but did couldn't test it then.
Hooked it up today and the burner would not ignite.
The only way I could get it to fire was to connect the red wire from the flow switch to the thermostat the switch has red/black/white. When I did this the burner would fire but would not shut off unless I manually turned it off.
I have a feeling the flow switch is dead but I am not sure how to test it.
Burner will not fire
in Tools, Equipment & Basic Maintenance
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I bought a used burner a few weeks ago but did couldn't test it then.
Hooked it up today and the burner would not ignite.
The only way I could get it to fire was to connect the red wire from the flow switch to the thermostat the switch has red/black/white. When I did this the burner would fire but would not shut off unless I manually turned it off.
I have a feeling the flow switch is dead but I am not sure how to test it.
Any suggestions? I am clueless