Procom QL300TYLA Heater "bypass thermocouple" Questions

hold a button in to bypass the thermocouple until the flame heats up the thermocouple and it can allow the passage of gas. Try replacing the thermocouple - a universal can usually be had for under $10

...the control knob is pushed in all the time. Sounds like the thermocouple is bad. Pushing the knob bypasses the thermocouple and permits ignition once you let go after thirty seconds it is supposed ...

...for it to do its job. Its job is to hold in the safety coil inside the gas valve that you are bypassing by holding down the knob. There are four possibilities that come to mind immediately: 1) ...

...thermocouple,thermistor,or whatever you want to call it is in series with the heating element and is defective and not letting current to heating element,if you can bypass it do so and see if that is ...

...coil that requires that voltage to remain open electrically when you release the button which was bypassing the coil to allow pilot gas through. IF the thermocouple is not generating enough ...

...thermocouple. If there is any way to temporarly bypass the ODS, I would try this first. Do not run this unit unattended. If the unit stays on when the ODS is bypassed, you found your problem. If not, ...

...cover if bad will keep it from staying lit I belive.If so and that is problem, one could tell by bypassing the sensor with A jumper wire.It would then

...cozy heater with standing pilot. The pilot light goes out about once a week even with vent switch bypassed. It usually goes of when heater is on low position. Gas pressure was checked by a tech its ...

...ignition and may have one then too. Pressing the button on the valve assembly to start it bypasses this safety for lighting but if the thermocouple is bad, the unit won't stay lit. ...

...bypass the thermo coupler to open the main gas valve to check if it is the thermo coupler NO! And before you replace the thermocouple, clean the pilot. That may be the problem instead of the ...