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Old 10-25-2020, 05:52 PM   #1
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Join Date: May 2016
Location: Illinois
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Faulty LP gas detector

I was investigating an intermittent foul smell in the coach that I thought might be LP gas, even though the LP gas detector showed a green light and screeched when the test button was pressed, just out of curiosity, I took an unlit LP torch and blew it directly into the detector orifice. Guess what. No warning screech. It was an Atwood Protechtor series 2001 LP gas detector. Replaced it with a new unit that works. Back of the old one indicates it was manufactured in 2003. I guess the test button just tests whether the sound producing part works not the actual detection of LP gas.
( foul smell turned out to be a faulty AAV under the bathroom sink. Smell was gray tank gas.)
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Old 10-25-2020, 05:59 PM   #2
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2003 is an old unit. Smoke detectors should be replaced at 10 years, but their test buttons will continue to sound an alarm even if they no longer detect smoke. CO detectors have a 7 year life, but they will typically warn you at EOL. Not sure what the life of a gas detector is, but it's probably not 17 years!
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Old 11-06-2020, 06:10 PM   #3
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Location: Brookfield,WI
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My 20 year old coach came with the original detector.
I also learned that the sniffing component (I don't know how it works) does wear out after 7-10 years.
For cosmetic reasons I bought a really slim battery-operated unit from amazon. It has a digital display that shows ppm.
Now if I could only find a super slim smoke detector that would replace the factory unit on the ceiling behind the driver's seat.
2000 Alpine Coach 36 FDS
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Old 11-06-2020, 06:32 PM   #4
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Winnebago Owners Club
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Location: Kamloops, BC, 60 miles from the Center of the Universe
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OK, I have a propane detector that was installed at build time. So now it's 12-13 years old.

I wired in a switch to cut the power to it when we aren't using it, and it's parked in the shed.

My question is, will it extend the life of the detector, or will it degrade while no power is going to it?
Happy Glamping.Norman, 2008 Winnebago Adventurer 38J, W24, dozens of small thirsty ponies. Retired after 40 years wrenching on trucks! 2010 Ford Ranger toad with bicycles or KLR 650 in the back. Easy to spot an RVer, they always walk around with a screwdriver or wrench in one hand!
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Old 11-06-2020, 07:48 PM   #5
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Those sensors have a 'shelf life' ....whether on or off typically 5-7 years

Best to replace on 5 yr schedules to be on SAFE side
Or sooner if not functioning correctly
Is it time for YOUR Medication or Mine?
Dodge 3500 w/Tractor Motor & NUWA 5vr
US NAVY---USS Decatur DDG-31
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Old 11-07-2020, 04:34 AM   #6
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As biscuit said, they have a shelf life. So if you ever see one on super clearance, check the "born on" date.

That will be my research today---how do they actually work? Mysterious alien technology?

Cool to see the word Kamloops in print. When I was little, my family went back and forth between vancouver and Edmonton dozens of times.
2000 Alpine Coach 36 FDS
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Old 11-07-2020, 06:40 AM   #7
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I went with these, not real low profile, but the smallest one I could find.
When I bought them the reviews were not great about battery life but I've had them now for a couple of years and they have been great.

Angelo & Leslie
2005 Alpine 36FDDS #75268
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Old 11-07-2020, 10:57 AM   #8
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Alpine Owners Club
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Location: Lake Wales, FL
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We have a HydroHot water heater and residential refer, so when we changed out the cook top to 2 burner induction I removed the propane tank and LP gas detector. Only issue is we use electricity to cook so boon docking battery time is reduced if we cook inside. On the plus side we got rid of a lot of weight and the LP gas issues, we also are able to go through tunnels that have a LP gas restriction, here on the east coast that can be an issue.
Dave, Bobbi and Fenway
2005 38' FDTS Alpine Limited, 2016 Jeep Grand Cherokee Limited
Lake Wales, FL
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Old 11-08-2020, 04:31 AM   #9
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Dr Dave, there is certainly a case to be made for going all electric. Not worrying about an explosion, fire or quietly dying your sleep from gas leaks is a real comfort.
2000 Alpine Coach 36 FDS
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Old 11-14-2020, 09:05 PM   #10
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Save money - buy Li battery powered detectors

When my CO detector died, I found that it could be replaced by a 10-year-life battery-powered detector for half the price of a replacement 12V wired-in detector. Probably applies to LP detectors too.
Franklin & Dessa
2001 Alpine 34 FDDS
Tow a 2014 CR-V
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