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Posted by Oscar_Lives on February 21, 2007, 11:38 pm
> We just installed two HFG4005MRLN2062 (MUA) after running or about
> three weeks both units ignition wires melted to a bare wire, Wire
> rated 205 degree C. Both units were running with proper gas pressures
> and td across heat exchanger, The only thing I can think of was the
> unit down drafted clauseing the flame to roll down and melt wiring,
> anyone had the happen to them or any other ideas??
>
>
> thanks
The temperature probably exceeded 205 degrees.
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