Re: Teledyne-Lars Furnace
Posted by Bob Smith on December 05, 2002 at 14:17:16:
In response to Re: Teledyne-Lars Furnace
: I have a Teledyne Lars furnace model #D-JVS-225H which takes up to 10 tries to fire up. The pilot lights,the furnace fires up then shuts down, lights again, shuts down etc. for up to 10 times. What is going on? Any suggestions are greatly appreciated. Thanks.
: rtm
I experienced the same flame blowout you have. I had a Laars factory approved technician come out. He supposedly checked the mainline and manifold gas pressure and said they were correct. He left with his $105 service fee.
By this time I was hotter than this piece-of-crap heater. I noticed that the flame pattern was too robust ans suspended above the burner. I adjusted the manual gas shutoff valve until the flame settled down to the burner. I've had no flame blow out since. I don't know what the technician read for gas pressure but I assume that the smaller input size of the old gas valve was the reason it didn't have flame blow-out.

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