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12-07-2008, 01:51 AM #14
Funny enough, there wasn't enough air for combustion.
Remember, fuels have a lower and upper combustibility limit.
With natural gas, it's about 4.3% and 14%. Fuel-air mixture outside that range will NOT ignite!
This mixture would not ignite, which was the reason there was no heat below 40F (when the dual-fuel board switched the heat source from heat pump to furnace). I could sure SMELL the gas though.
Of course, this installation uses propane, but off the top of my head, I can't remember the combustibility limits of Propane.
Funny luck.This is what happens when I take photos of things OTHER than bad A/C installations:
Arizona. Photographed: http://community.webshots.com/album/563042864aIFjqw