Question about Cozy (W352E) Heater

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How do you hook up a millvolt thermostat to a cozy model vcr351

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If the cozy is a milivolt system then on the gas valve there should be three terminals.. th/tr/thtr the thermopile(wich creates the milivolts) goes to the tr terminals.. your thermostat goes to the th....

Posted on Jan 15, 2009

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I have a cozy gas heater model # vcr701a-r can i change the thermostat to digital?


i read its a on off switch connected to it
thats what all wall mounted temp controller do they close a circuit thats phantom power supplied in your closet
buy any thermostat you want an it should work with this unit easily. all are battery power now days.

Jan 05, 2015 | Cozy Heaters

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My cozy floor furnace wont come on


NEED MORE INFORMATION. IS THERE A LED LIGHT THAT FLASHES A CODE?. IS THE THERMOSTAT OPERATING PROPERLY? IS THIS UNITS FLUE EXHAUST VENTED TO THE OUTSIDE? & IS IT FREE OF OBSTRUCTIONS?,

Dec 25, 2012 | Cozy Heaters

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I have a very old floor funace. Peobably around 45 years old. There's know fan, just induction gas heat chambers with a grate on top. The unit stopped working when the HVAC guy changed the Thermostat...


He needs to put the old stat back on...... The old stat is a Millvolt stat and the new Digital ones won't work. And I don't know if they make a digital for Millvolt.... The old floor furnaces used a power pile like a oversize thermocouple for the power to operate the gas valve.

Jul 22, 2011 | Montgomery Ward (223600UP) Heater

1 Answer

The thermostat broke & I cannot find a replacement that works. My Cozy is Model # CDV255 Serial # 91101102 Thank you, Hanya


Have to have a millivolt thermostat have to go to a heating wholesaler for this part a 24 volt stat will not work

Sep 20, 2010 | Cozy Heaters

1 Answer

Cozy wall furnace (propane) does not respond to thermostat. The pilot is lit. Furnace is 3 yrs. old and rarely works. The wire to thermostat is 20 feet.


Try jumping the two thermostat wires together to see if the heater starts. If so, replace your thermostat. If not, jump the two terminals where the thermosta twires attach to the furnace. If it starts, you have a bad thermostat wire or connection.

Jan 30, 2010 | Cozy (W352E) Heater

1 Answer

What is easy way to replace the thermostate in


Hi, that thermostat should be a wall mount. This heater has only 2 wires and any "Heat only", "millivolt" thermostat will work. Remove the old T-Stat and mount the new one on the wall, only 2 wires and less than a volt so no shock danger, doesn't even matter which wire goes where. Good luck and comment back if you need any help.

Jan 09, 2010 | Cozy Heaters

2 Answers

I have a cozy gas furnace that only comes on when you bump it.


Hi loose connection in the heater or sticking fan or gas valve

Jan 09, 2010 | Cozy (W352E) Heater

2 Answers

Cozy natural gas heater Mod # CLV 335A


get someone to check the gas pressure that is poss problem gas company if nat and the lp supplier can do it

Dec 17, 2008 | Cozy Enclosed Front Console Heater 20,000...

1 Answer

Cozy Heater will not turn on from thermostat in the morning


no more than 20 feet of statr wire allowed and make sure the stat you have is for a millivolt system.

Dec 03, 2008 | Cozy Enclosed Front Console Heater 70,000...

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