Thread: UCH81 failed?
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Old 5th Sep 2010, 3:15 pm   #3
geofy
Retired Dormant Member
 
Join Date: Jun 2006
Posts: 1,798
Post Re: UCH81 failed?

Quote:
Originally Posted by SuperHert View Post
The heater still works but without a valve tester I have no idea what condition it is in.

Thanks, David.
Wouldn't the heater burn out if the vacuum was lost, unless it has a very small leakage to air?
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