Question about Cozy (W352E) Heater

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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 order one that would work.Maybee the problem is somewhere else.Any help is appreaciated. Thank you! Ed

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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.
Sincerely,
Paul Gibson

Posted on May 13, 2010

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Does pilot need to be relit every time I turn off glo warm gas heater?


No-- it should normally keep the pilot burning...
How about we learn a few things together, and see what to do next:
1.) Does it have a little device right next to (in the path of..) the Pilot flame, that is supposed to stay HOT (and thus be safe for the Pilot gas valve to stay open/'on')-- This is called a Thermo-couple.-- (Actually a very low voltage generator, that tells the gas valve it is safe to let gas flow.)
Here is a link to a Thermo couple for GloWarm heaters-- not sure if this is your exact model or not -- but it may help you know what I am talking about?)
http://www.ebay.com/itm/like/140878605243?lpid=82&chn=ps&ul_noapp=true

2.) How old is the Thermo-couple?-- and is it dirty from soot build up?-- It can be polished-- that might help.
3.) THe Pilot flame needs to be just slightly in the path of the flame, so that it generates sufficient electrical power to keep the gas vale 'on'.

Any questions from the points listed above?
Hope this helps-- Mack B.

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