Question about All-Pro SPC-85 Utility Heater

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My All-Pro 85,000 btu heater will not stay running after I let go of the fuel /start button. Is this the result of a faultly thermocouple?

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Yes this is probably the thermocouple connection.

Just remove the end of the thermocouple from where is goes into the gas valve and leave the end that goes into the flame in place.

Clean the end of the thermocouple connect by scraping off just a little metal from the end just about there the nut tightens the thermocouple into the gas valve. After you have exposed some new metal do the same inside the valve where the thermocouple seats into the gas valve.
Use a small pic or similar item to scrape inside the gas valve to expose some new metal there also.

Now reassemble the thermocouple into the gas valve and see if the heater works.

Here is a link with some more instructions.
http://www.msservice.net/ts/reseat_thermo-clean_pilot-ODS.htm


Thanks

Posted on Oct 10, 2010

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1 Answer

I have a pro com 30000 btu vent free heater.it keeps shutting off.how do I fix it.


If the thermocouple is bad, the pilot light will not stay lit. Sometimes the pilot will stay lit but when the unit turns on the gas for heat, things change a bit and the nearly bad thermocouple doesn't see the flame it should and causes the gas to shut off.
You can google the make / model of your unit with the word 'thermocouple' and see replacements for sale. Usually not much more than $25. Thermocouple Wikipedia the free encyclopedia

Feb 08, 2015 | Heating & Cooling

1 Answer

Change thermocoupler on all pro 50000-85000 btu heater


If you have replaced the thermocoupler and it still wont stay lit then replace the gas valve.

Nov 18, 2014 | All-Pro Heating & Cooling

1 Answer

My all pro heater will only keep burninig if I push and hold the red fuel button in,so I rigged it in a way that the red button stays pushed in.my question is : can this be dangerous,please no PC answers...


The fuel button allows the heater to burn long enough to warm up the thermocouple. If the thermocouple doesn't sense a flame it shuts the gas valve to keep gas from building up to potentially explosive levels it the heater should go out for some reason. Do yourself a favor and replace your faulty thermocouple. It's cheaper than a new house or building.

Jan 06, 2011 | All-Pro Propane Garage Shop Heaters - All...

1 Answer

My all-pro propane heater will not stay lit for over thirty seconds after I release the red fuel start button,before the flame goes out it makes an air hissing noise right before it shuts off.Heater will...


This sounds like a problem with your thermocouple.

Just remove the end of the thermocouple from where is goes into the gas valve and leave the end that goes into the flame in place.

Clean the end of the thermocouple connect by scraping off just a little metal from the end just about there the nut tightens the thermocouple into the gas valve. After you have exposed some new metal do the same inside the valve where the thermocouple seats into the gas valve.
Use a small pic or similar item to scrape inside the gas valve to expose some new metal there also.

Now reassemble the thermocouple into the gas valve and see if the heater works.

Here is a link with some more instructions.
http://www.msservice.net/ts/reseat_thermo-clean_pilot-ODS.htm

If this does not solve the problem you may need a new thermocouple and you can find that at www.desaparts.com

Thanks

Jan 04, 2011 | All-Pro Propane Garage Shop Heaters - All...

1 Answer

The smell is bad. What kind of venting do I need in the garage for All Pro 50,000-85,000 BTU/HR? Does the bad smell mean I;m in Danger?


If you run a propane heater in an enclosed space, such as a garage, you can pass out and die from carbon monoxide poisoning - as well as just a lack of oxygen from running a high-power propane flame. Yes, I would say you are in Danger.

Nov 11, 2010 | All-Pro Propane Garage Shop Heaters - All...

1 Answer

Propane heater wont stay running


is the sensor for the thermocouple located in the right spot in the flame,remove it and if you have access to a propane torch,heat the end till its red hot and leave it connected to the gas valve,then start the unit and this will tell you if the sensor is properly positioned in the pilot flame on the unit itself,if not you could have a defective new thermocouple or another safety device keeping it from staying lit or the gas valve is faulty

Jul 28, 2010 | Reddy HEATER RLP30 30,000-BTU PORTABLE LP...

1 Answer

Heater will not stay lit after releasing button


Make sure your thermocouple tip is in the pilot flame and the other end is snuggly screwed into the control. Clean the pilot if not heating thermocouple. If pilot is heating tip thermocouple and it still goes out after holding the button down for 2 minutes, then your thermocouple is likely bad.

Jan 22, 2010 | Reddy HEATER RLP30 30,000-BTU PORTABLE LP...

1 Answer

Where can i find a parts breakdown for this heater spc-85


I plug a Thermostat in The power line to break the power when at temp. Once I start the heater using the reset button,when temp is reached and the themo calls for heat just the blower comes on only. I have a All Pro propane 50,000 to 85,000 btu heater thanks Ron

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