Wall heater gas valve replacement needed

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Old 05-23-15, 11:51 PM
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Wall heater gas valve replacement needed

I have a two sided wall heater in which I need to replace the gas valve. The gas valve looks very similar to the one in the attached picture except that the red plastic piece is burnt and missing.

The valve has on the number 18601 A on the bottom with no other distinguishing marks. The two sided wall heater also has no distinguishing marks, and I assume was installed at the time the house was initially built in the 50s or 60s.

Can anyone please identify a suitable replacement valve? Due to cost at this time, I would rather not replace the entire unit. Thanks for your help.
 
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Old 05-24-15, 05:49 AM
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Can you post a pic of the wall heater itself & a second pic of the damaged gas valve?
 
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Old 05-24-15, 09:25 AM
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Welcome to the forums.

Those older wall heaters have been the cause of many issues. You need to make sure and have the heat exchanger checked for cracks due to age.

Without an original part number it would be hard for us to come up with a replacement valve. I'm always leery of substituting a gas valve and usually recommend a plumber or HVAC technician make the replacement. You could even call your gas provider for repair assistance.
 
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Old 05-24-15, 09:53 AM
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PG&E is the gas provider and the technician wouldn't re-light the pilot after seeing the valve and recommended changing the valve.

Attached are some additional pictures of the heater and valve.

If I was to replace the heater unit, are all wall heaters the same size? The dimension of new units are different by an inch or inch and a half when compared to the older unit. Would any modifications need to be made to the existing wall opening?
 
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Old 05-24-15, 09:59 AM
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Having not seen any pics of the valve, my best guess is it has been replaced in the past and with wrong positioning. I say that because of the "burned and missing and plastic". I have seen that numerous times when the knob is to close to the burner and gets to much heat and distorts.
 
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Old 05-24-15, 03:09 PM
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I enlarged the first pic & there seems to be some letters at the bottom of the unit where the hole is.
 
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Old 05-25-15, 11:00 AM
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I'm not getting the pics on my phone
 
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