jbs6616
Texas
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I have a 2007 Rockwood travel trailer. Shortly after I got it I began hearing a squealing or whistling sound coming from the propane tanks when the furnace or hot water heater came on. I took it to a Rockwood dealer and they thought it seemed to be one of the two propane tanks, so they replaced it. That worked for a while, but soon the squealing began again. I took it back and they replaced the automatic changeover valve. That seemed to fix it for a while, but now it has started the noise again. Our bed is in the front of the trailer, and the squealing is loud enough to wake us up in the middle of the night. Is it possible I have come up with two different defective changeover valves (the original one and the replacement)? Both tanks seem to make the noise, and when I put my ear to the tanks I can hear the noise, but I'm not sure if the sound actually originates from the tanks, the valve, or someplace entirely different. Any ideas?
2007 Rockwood Signature Ultralite 8293SS 31.5 ft pulled by 2007 Dodge Ram 2500 Heavy Duty 6.7 Cummins Turbo Diesel
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midnightsadie
ohio
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Joined: 01/07/2008
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open tha tank valve all he way. or it might be a reg going bad.
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wa8shc
Parma, Ohio
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Joined: 12/11/2003
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I had a similar problem on when using the street side tank, but only when furnace was running.
I have a 20 psi regulator on that tank for some reason. Been told it's a 'safety issue' since there's a 12' length of hose going to the main regulator on the other side
This regulator started leaking about 6 wks after it started making the whistling sound. Replaced it and problem went away. Got new regulator by calling Rockwood parts in IN.
Have talked to 1 couple that had the sound 'from both tanks'. Turned out to be bad 'overflow' valves in the tanks. These are the new saftey valves that recent vintage tanks are required to have
Hope this helps
Denny WA8SHC and Rita WB8TIR
Siberian Husky Ta'kya (Princess RIP 10/04 Taz RIP 5/12/08)
2007 Dodge Ram 2500 Quad Cab 5.9L CTD 3.73/LSD,Quadzilla RECON monitor
2008 Rockwood 8243S 5th wheel
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redwake
Visalia, CA
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i had this problem as well it resulted from a leak inside of the sight glass replaced the regulator no more problems.
TT: 08 Monterey 27 PT by Extreme RV
TV: 06 Sierra K1500 SLE Crew - 3.73:1 4x4 w/5.3L
Hitched with a Husky WD & SC.
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fordsooperdooty
Orange Kounty Kalifornia
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From the National LP Gas Association-"Not all applications are similar to that of residential use and will therefore utilize regulators for higher and lower pressures as required by the appliance(s). In summary, the purpose of a propane regulator is to "bottleneck" the propane down to a safe and usable pressure. An important point to note is that under normal operation, a propane regulator will make a "humming" noise. This is normal and should not be construed as a problem or regulator malfunction.
The regulator on my propane barbecue is occasionally humming. What could cause this?
Most propane appliance regulators use a rubber diaphragm to control the amount of fuel allowed to the control valves. If the propane tank has been overfilled, or it is a hot day outside, it is possible for this rubber diaphragm to vibrate. As it vibrates, it creates a humming noise. This noise, although annoying, is perfectly safe, and will go away in time." Can also sound like a rattlesnake, buzz, ringing, humming, "sizzle", etc.
A Jayco is not just an RV, it's a life choice! 
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TXiceman
(Near) Houston,TX
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It is a regulator problem.
Ken
KE5DFR
Vintage 1979 Silver Streak Supreme Rocket toted by a 2002 F350, crewcab dually, 7.3L,4.10 axle,SCMT. Travel with two miniature Schnauzers and one African Gray parrot. Practicing for retirement!
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chrisser
Cleveland OH
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jbs6616 wrote:I have a 2007 Rockwood travel trailer. Shortly after I got it I began hearing a squealing or whistling sound coming from the propane tanks when the furnace or hot water heater came on. I took it to a Rockwood dealer and they thought it seemed to be one of the two propane tanks, so they replaced it. That worked for a while, but soon the squealing began again. I took it back and they replaced the automatic changeover valve. That seemed to fix it for a while, but now it has started the noise again. Our bed is in the front of the trailer, and the squealing is loud enough to wake us up in the middle of the night. Is it possible I have come up with two different defective changeover valves (the original one and the replacement)? Both tanks seem to make the noise, and when I put my ear to the tanks I can hear the noise, but I'm not sure if the sound actually originates from the tanks, the valve, or someplace entirely different. Any ideas?
Was teflon tape used on the joints?
On natural gas connections, I've seen teflon tape way overused.
If the tape is past the threads and into the gas flow, I imagine it is possible, if conditions are just right, for it to act like a whistle.
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the bear II
Torrance CA.
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RUN !!!!!
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Turbojet
Franklin County
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jbs, try this. Shut both tanks off. Disconnect the supply hoses from the tanks. Reconnect the supply hoses to the tanks. Open the tank valves, all the way, one at a time very, very, slowly. It worked for me, even on my gas grill. Whenever you hook up a tank for the first time, follow this procedure.
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Gene&Ginny
North Kingstown, RI
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chrisser wrote: ... Was teflon tape used on the joints?
On natural gas connections, I've seen teflon tape way overused.
If the tape is past the threads and into the gas flow, I imagine it is possible, if conditions are just right, for it to act like a whistle.
Just a side note: There is a yellow Teflon tape used on LP/gas, don't use the white Teflon which is for plumbing.
Gene and DW Ginny
2008 Toyota 4Runner 4.7L V8 w/factory towing option
2002 Sunline Solaris Lite T2363
Reese Dual Cam Straight Line HP Sway Control
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