Question about Empire DV-35-SG Heater

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I was told that this could be the thermocouple but how do I know which thermocouple to get? My model number is DV-35-SG. I need this asap it is already snowing and I am freezing please help.

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  • Empire Master
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Try national energy they sell thermocouples they are on line .they should be able to help you with a thermocouple .

Posted on Nov 12, 2012

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Posted on Jan 02, 2017

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SOURCE: Heater doesn't start.

Check the length of your thermostat wire. Mine was about 10ft and I experienced the same problem. Reduced it to 6 and the problem was fixed.

Posted on Oct 14, 2009

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are you sure the problem is with the thermocouple? is the pilot sharp and blue? it is unconnon for the magnet in a gas valve to go bad but it does happen. place the thermocouple in the valve and with it in front of you heat it with a match or lighter for 30 sec. now try and light the pilot quickly. if it lights the the problem would be the pilot, if not then the valve. is this a milivolt system or hydrolic t stat.

Posted on Jan 29, 2011

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Replaced thermocouple pilot stays on but burner wont light

Make sure the gas valve dial is turn to the "on" position. Otherwise, I would need more info to answer this question fully.

Nov 17, 2015 | Empire Comfort Systems DV-215-SG...

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Vulcan freeloader 260 suddenly turns off after heating to temperature. Control unit was just replaced but still doing the same. I was told by another person it is the thermo couple but the fitter said

The thermocouple makes sense, if it does not send enough electricity to the control unit it will shut off. The thermocouple was probably moved when a new control unit was installed. Check to be sure the pilot flame touches the thermocouple, if not realign it else replace it.

Mar 25, 2014 | Water Heaters

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Our church has a hobart gf035a deep fryer, it seems the electrical plugin cord is missing, how or where would i go about getting or wiring a new electrical service for this device? is there a wiring...

Hello Gelliott162,

Hello I understand that you have a question about a cord for your church's Hobart GF035A. This unit does not have a power cord it is self-powred unit. The theromocouple supplys all the power that is need for the Gas valve to operate. If the unit is not functioning properly you may need to replace the thermocouple on the unit.

The thermocouple is the cooper looking wire that sets next to the pilot light. The pilot flame engulfs the tip of the thermo-couple. The heat that is emited from the pilot on to the thermo-couple is changed in to power and controls the gas valve.

The capcity of the unit that you have is 35 pound of fat (shortening or oil). Make sure that the unit is full of fat before you try to fire the unit, as firing the unit without fat will cause the units vat to warp and can cause the unit to leak.

If you need directions on how to fire a the unit or light the pilot please post back to this thread and I will be happy to assist you with that.

Thank you for chossing


Apr 02, 2011 | Hobart Kitchen Ranges

1 Answer

I have a Rinnai model REH-18T-P that will not stay lite. The thermo couple looks to have a co monitor or other type wire on the thermo couple to connects back into the unit. Where do I find this thermo...

You probably don' need to start with the thermocouple. If the pilot is burning with a yellow tip and is curled away from the thermocouple. What you have is a dirty pilot. The heater thinks you have a low oxygen level because of lint or bug in the mixing chamber. With the pilot off, take a drinking straw and blow backwards thru the pilot opening. Then try again.

Nov 16, 2010 | Rinnai Desa Vent-Free Infrared Gas Heater:...

1 Answer

I have a desa fireplace model CGCFTP 26K btu, THE PILOT WILL NOT STAY LIT, I believe that it is the thermocouple, would you confirm or deny

Many times this problem is because the thermocouple has developed a bad seating connection between the thermocouple fixing nut and the Thermo-Electric valve located inside of your actual control valve assembly.

Meaning the connection between the end of the thermocouple wire just above the thermocouple fixing nut and the seat which is inside the Thermo-Electric valve have a bad connection that does now allows current to pass through the connection and into the Thermo-Electric valve.

When you have a good connection here it allows the control valve to stay open and allows gas to pass through the control valve into both the pilot and the main burner, but if this connection is bad then each time you release the button the pilot light will goes out.

Now to try and resolve this service problem with having to purchase new and sometimes expensive parts.

Remove the thermocouple wire from the gas control valve Thermo-Electric unit by turning fitting counter clockwise with a 5/16 wrench

Once the thermocouple fitting has been loosened and the thermocouple has been removed inspect the thermocouple Power Unit Connector Contact (PUCC).

Although the PUCC may appear clean may times the PUCC has developed a thin layer of corrosion that prevents the thermocouple from sending the needed current to the Thermo-Electric unit resulting in a pilot flame that may only remain burning strong as long as the pilot button is being pushed by the operator.

After removing the thermocouple PUCC from the valve you will need to clean both the power unit connector contact and the Thermo-Electric valve seat contact.

The connecting will require that a small amount of new "Clean Metal" be exposed providing a new fresh metal seat for the PUCC and the Thermo-Electric valve.

With a safety blade or a metal pick expose some new metal on both the PUCC and then up inside the Thermal-Electric valve seat scraping just a small amount of old surface from each item.
Now reassemble the thermocouple wire back into your gas control valve and tighten the nut firmly to achieve a good solid seating connection.

This new fresh metal seat should allow the millivolt current generated from the thermocouple to energize the Thermo-Electric valve and allow the gas control valve to remain in the open position.

If this does not work you may need to order a ned Pilot/ODS assembly.

You can find that at or

Thank you:

Nov 05, 2010 | Desa International CGCFTP Compact Heater

1 Answer

My mother has a cozy forced air heater,model # vcr 701a-r that keeps burning out the thermo-couple. Someone said we can't use a universal thermo-couple.If so,could you give me info as to where i could...

Ed, as long as the thermocouple is adjusted properly, a universal part will work just fine. The top 3/16" of the thermocouple should be in the flame,and make sure that the tip does not stick thru the pilot.
Now, for the part that you don't want to hear;
If the unit keeps failing and you keep putting on thermocouples, there is a good chance that the gas valve is bad.
The flame heating the thermocouple creates a milivolt current, which is use to create a magnetic pull to hold open the pilot port on the valve, the windings can and will start getting weak with age. Never try to open a gas valve to work on it, even the pros never take that kind of liability. You will probably have to repace it, if the pilot and the thermocouple is setup properly, and it's still messing up.
If this has been helpful, please rate me, and just reply back, if I can help you in any way.
Paul Gibson

May 13, 2010 | Cozy (W352E) Heater

2 Answers

Pilot light won' stay lit on water heater

Why do you think the regulator has anything to do with the thermo-couple?if its not the thermo-couple its the flame sensor,you failed to give me the model number of the heater.when does the pilot go out.If its when the gas valve opens its the sensor.

Mar 17, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

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Most thermopile/therocouple units are generic.  Remove the old one and go to a large hardware store.  The correct one will be easily found among the several available.

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Rinnai Convector 516TR Heater

Hi, Here is the link to the manual. I think something like 'thermo coupling' probably means you need a technician!

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