Quote:
Originally Posted by HappyCamperMN
Propane flows from the tank(s) through the trailer to the stove. You light the propane as it flows out of the stove burner(s).
Can you please explain why this is not a valid test?
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As Bob said, this is probably a 12VDC issue or a thermostat/control board problem, but to explain the comment made by another poster that checking gas flow with a stove burner is not a valid test, try to rationalize this:
The propane tanks and pigtails have "flow limiters" in them to shut down the flow of propane if there is a "large flow leak". When you turn on the propane tank too quickly it "can" (but not always) activate the flow limiter. When this happens, there is enough propane flowing to use the stove burners, oven and refrigerator (they use only a small amount of propane). However, with the flow limiters activated, there is not sufficient propane flowing into the trailer lines to sustain a flame in either the hot water heater or the furnace. Those two appliances use more propane than the flow limiter will allow.
So, turning on a stove burner will "test the availability of propane (in small quantities), but not in large quantities."
The simplest way to "fix" the potential "flow limiter problem" is to turn off both propane tanks, disconnect the pigtails from them, then reattach the pigtails, and SLOWLY turn on the propane tanks. (If you turn them on too fast, you can "reactivate the flow limiter")
Once you have the tanks turned on again, light the hot water heater. If it stays lit, the flow limiters are not engaged (propane functioning normally). If the HWH will light and burn, then retry the furnace.
Hope this makes sense to you.