Re: [VAL] Heater

[Tombhs@xxxxxxx]

Thanks to all who have responded. Here's some of my thinking after reading 
your posts.  This heater has always worked fine.  This according to the last 
owner, (4 years ago) and in my experience with the trailer.  Last year at the 
beginning of the season, when the fan would come on there was a screeching noise. 
 The main burner would light up, flame was blue, pilot worked, heat would 
come out fine but the noise sounded like fan problems.  Took out the heater and 
found that the fan had come loose.  Cleaned everything, tightened the fan, 
checked for cracks, pin holes, rust etc. all was fine.  Put it back in and used it 
several times over night just this last spring and into the early summer.  
Purred like a kitten and no air flow problems.  Then we had to have it sit for 
much of the summer and up until now.  The main problem with the current 
lighting situation was a spider web in the pilot assembly.  The thermocouple 
definitely needed to be changed as recommended by all of you and by the parts guy who 
tested it.  It did respond after some very intense high heat but the new one 
is much better.  Gerald... your idea of air flow problems sound right.  
Everytime I think I have a major problem with this trailer it turns out to be a 
spider web or wasp nest.  I was not able to check to color of the flame because 
after the last mini-explosion and the heater stayed lit, I hoped the problem was 
solved. After 10 min. of working fine, heard that 4th mini-pop and shut it 
down immediately.  I have visually checked the exhaust and intake tubes from the 
outside, can't see a clog.  Could there be spider webs on the inside of the 
tubes and if so how do I get at them?  If this problem was rust, enough to 
obstrust air-flow, I think I would have noticed a problem in the spring when I ran 
the heater all night with no problems.
Thanks again for all your help....and oh yeah......Merry Christmas.

Tom Fairbank