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Car Forum / Driving, Maintenance, Tuning / RVs / November 2005Propane tank / regulator question
OK, maybe this group has some insight.. tried alt.home.repair and alt.hvac.. The question is about a 40lb propane tank.. Bought a 10,000 BTU Blue Flame vent free heater as a backup for my . I yanked the regulator / hose from my bbq to see how the unit behaves and performs.. nicely.. I went out and picked up a new 40lb (10 gal) tank, had it purged and filled and swapped it for the 20lb BBQ tank. I cant get the unit to run.. Pilot lights but blows out by itself after a few seconds.. I suspect its a pressure issue, but am unsure. Does a 40lb tank have a different PSI than a standard 20lb BBQ tank? If so, does the "run of the mill" BBQ regulator do something different with the 40lb tank? Is my old BBQ regulator shot? Swapping back to the 20lb and no problems. Thanks ! > OK, maybe this group has some insight.. tried alt.home.repair and > alt.hvac.. [quoted text clipped - 19 lines] > > Thanks ! Both tanks should carry the same pressure since they are both the same gas (propane). I don't fully understand what you are saying so I'll take a guess......... Your regulator should work on both. Is the tank valve wide open? Is the tank full? Are you sure? Ok, now check them again. Do both tanks work on the BBQ but only the small tank works on the heater? Are you holding the pilot light on long enough to heat the sensor? Hank <~~~wants to help, just can't understand what you typed > Are you holding the pilot light on long enough to heat the sensor? Also, you may have air in the line. I have a Blue Flame ventless heater connected to my motorhome propane tank with an 8' hose. When starting after it has been shut down for awhile, it sometimes takes awhile for the pilot to light and stay lit. You don't say how long your hose is but this could be your problem. Don in Tracy, Calif. > OK, maybe this group has some insight.. tried alt.home.repair and > alt.hvac.. [quoted text clipped - 17 lines] > with the 40lb tank? Is my old BBQ regulator shot? > Swapping back to the 20lb and no problems. How well does your grill work on that tank? If the flame on that burner acts like there is too much pressure, then it may be the tank was over filled, or still has air in it. Let it run on the grill for a while and see if it settles down. Some devices are more sensitive to propane pressures than others.  SignatureJon JPinOH Bingo! .. "or still has air in it" got me to thinking. It was brand new and purged then filled by a teen at agway. Rather than dig the BBQ out of storage I took the tank and hose out back and opened it up. The gas smelled weak.. Let it blow for a few mins and it got stronger. Put it back in service and its slightly weak but running OK. I figure the fellow purged it like a 20lb and left a bit of air in there.. Thank you very much for the suggestion/advice.. Mike |
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