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> Noisy Lp Regulator, LP, Propane, Regulator issues
edcornflake
post Oct 17 2011, 11:29 AM
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This weekend I noticed a high pitched whine coming from the front of my fifth wheel when the furnace was running. The furnace is in the middle of the coach. Inspecting the propane bottles, I realized that the single regulator on the far side was vibrating slightly and the whine was coming from there - the switchover regulator on the door side of the coach seemed ok. Has anyone had a regulator go bad? When they go bad, do they whistle/hum/vibrate?

I also had some trouble with the switchover regulator (pointer indicates which tank is active and gives a green or red indicator if there is, or is not gas available). I think this is because the far side regulator was not properly distributing gas.

Any feedback would be appreciated.
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B. Kidd
post Oct 17 2011, 02:24 PM
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Hi Ed.
Most regulators use a rubber diaphragm to control the amount of propane. The diaphragm creates a humming noise when it vibrates. This can be due to a propane tank being overfilled/ or it was a hot day outside. Propane tanks should only be filled to 80 per cent capacity.
If the humming noise continues and your tank is not overfilled, you may want to change out the 'pigtail' hose lines with a different brand.
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