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This natural gas-specific kit is designed to replace the old part numbers 25660 and HHT Part #4021-732. It is compatible with Heatilator, Heat-N-Glo, and Quadrafire gas fireplaces that use standing pilot units. It is not compatible with systems that feature a Safety Interlock (SIT) Valve.
The kit includes:
4021-732 thermopile
Thermocouple
Pilot tubing
Sparker electrode
mike mcauliff
Reviewed in Canada on February 20, 2025
Fit perfect
T. Ellison
Reviewed in the United States on January 15, 2025
I have a Heatilator direct-vent fireplace and a thermocouple and pilot light set I bought last year would not light this time around. This fairly inexpensive replacement showed up and I thought I would try it. You can look around on the you tubes and find some videos on how to replace this piece yourself. It's not too complicated, but takes a few minutes to get the logs out, collect the small rocks, etc. This was a direct plug in, All connections fit perfectly and there was more than enough slack to plug things in. The copper tube did seem to be crimped a bit just before where it connects to the gas supply, but this did not affect the overall performance.The only thing that kind of worried me at first was that it did not light at first. You need to be careful not to turn the switch on and off too often. My suggestion, once the pilot is first lit and you have things reassembled, tun on the switch and wait about 5 minutes. If it does not light during this time, it's okay, just turn the switch off, and wait a minute or two. Then, turn the switch on again, and wait 5 minutes. If it does not light, turn the switch off, and wait a while, maybe an hour or two. Then try again. I left mine overnight and first thing in the morning, I tried again and it lit within a minute. Since then, it lights almost immediately once I turn on the switch. Not sure if the thermocouple just needs to break in a bit. Be patient. Highly recommend it for the price and build quality.
medtraveler1021
Reviewed in the United States on December 29, 2024
fit my heatolator gas fireplace, looks like the same product (or very close to it) that the OEM provides. The technician who repaired my fireplace replaced the old pilot with this one and we're back to a functioning fireplace again. Saved probably about $100 vs. the OEM model.
Kirk Risk
Reviewed in the United States on November 15, 2024
It worked for the Heatilator model number listed in ad. Cheap too. High quality I might add.
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