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09-23-2014, 08:09 PM
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#1
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Senior Member
Join Date: Jan 2014
Location: Los Lunas, New Mexico
Posts: 3,766
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Leaking blow by valve on WH
Last 2 times out my water heater blow by valve started leaking only when the water heater was turned on to heat it. When water got hot it started dripping. Tried moving it a little but still leaks. Is this common or do I report it under warranty for a replacement? Never had this happen on previous trailers. Looks kinda funky leaking out the side of the TT.
Thanks. Jeff
__________________
2018 Eagle HT 26.5 RLDS. SOLD
2009 F150 Supercab UNICORN, 5.4L ,3.73, HD and Max Tow Packages, Timbrens, Bilstein shocks.
Wet bolt kit. Andersen Ultimate 20K hitch. TST 507RV TPMS. Hydro Life HL-200. 16" Goodyear Endurance. Progressive EMS. SteadyFast Stabilizers. Furion backup camera.
Best friend wife, Di, and dog Cooper. RETIRED
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09-23-2014, 09:43 PM
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#2
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Senior Member
Join Date: May 2012
Location: Minnesota
Posts: 9,740
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They do go bad. I would first open the valve (do it with it off and cold so you do not get scalded) and flush water through the valve in case there is a little debris stuck in it. The circuit board will get wet, but it is designed to handle it. If it still leaks it needs to be replaced.
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09-24-2014, 02:00 AM
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#3
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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The HWH tank requires a given amount of air in it, and the pressure relief valve will release some hot water on occasion in order to maintain a specific air gap at the top of the tank. This may be what your experiencing.
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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09-24-2014, 05:45 AM
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#4
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Senior Member
Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 10,714
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What Bob just said....
__________________
Seann
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 900watts of solar, Lithium batteries (400amp hour), 2000 watt (4000 surge) whole house inverter.
145days boondockinig in2023 2022/151 2021[/COLOR]
93/2020,157/2019219/2018 206/2017,215/2016, 211/2015, 196/14, 247/13, 193/12
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09-24-2014, 03:58 PM
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#5
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Senior Member
Join Date: Jan 2014
Location: Los Lunas, New Mexico
Posts: 3,766
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Thanks for the thoughts guys.
Jagiven- I have drained and flushed twice but it seems worse.
Bob- Doesn't happen occasionally. Seems constant and actually puddles outside below WH.
Seann45- What I said to Bob.
Any other thoughts? Probably 1 or 2 more trips before winterizing so I'll keep a close eye on it.
A little drip will not stop our Happy RVing.
Jeff
__________________
2018 Eagle HT 26.5 RLDS. SOLD
2009 F150 Supercab UNICORN, 5.4L ,3.73, HD and Max Tow Packages, Timbrens, Bilstein shocks.
Wet bolt kit. Andersen Ultimate 20K hitch. TST 507RV TPMS. Hydro Life HL-200. 16" Goodyear Endurance. Progressive EMS. SteadyFast Stabilizers. Furion backup camera.
Best friend wife, Di, and dog Cooper. RETIRED
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09-24-2014, 04:45 PM
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#6
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Senior Member
Join Date: May 2012
Location: Minnesota
Posts: 9,740
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Sounds like it is time to replace it.
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09-25-2014, 12:02 PM
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#7
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Senior Member
Join Date: Dec 2012
Location: Joelton, TN
Posts: 273
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Agree it's probably needing to be replaced. It might be less hassle and not terribly costly to remove and replace it yourself. Should be a simple wrench off and on using a thread tape to ensure a good seal. I don't know if it would be worth the hassle of taking it to the dealer to make a warranty claim on it. Unless maybe there are some other things that need attention under warranty along with this valve.
__________________
Joelton, TN
2013 Ford F350 Lariat Crew Cab 4x4 6.7 Diesel 3.55 Long Bed
2013 Jayco White Hawk 30DSRE
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09-25-2014, 07:43 PM
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#8
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Senior Member
Join Date: Jan 2014
Location: Los Lunas, New Mexico
Posts: 3,766
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Yeah, only had this TT since January this year so I will take it to CW dealer this winter for several small warranty items, and include the valve replacement.
Happy RVing.
Jeff
__________________
2018 Eagle HT 26.5 RLDS. SOLD
2009 F150 Supercab UNICORN, 5.4L ,3.73, HD and Max Tow Packages, Timbrens, Bilstein shocks.
Wet bolt kit. Andersen Ultimate 20K hitch. TST 507RV TPMS. Hydro Life HL-200. 16" Goodyear Endurance. Progressive EMS. SteadyFast Stabilizers. Furion backup camera.
Best friend wife, Di, and dog Cooper. RETIRED
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09-25-2014, 08:44 PM
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#9
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Lost in the Woods
Join Date: Jan 2014
Location: N/A
Posts: 567
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No, no, no. If you read the Jayco manual it even says that it is normal for the pressure relief valve to leak a little when you turn the hot water heater on and it heats up. This is normal. I would be concerned if it didn't!
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09-26-2014, 05:36 PM
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#10
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Senior Member
Join Date: Jun 2013
Location: McKean, PA
Posts: 1,071
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Quote:
Originally Posted by Rustic Eagle
The HWH tank requires a given amount of air in it, and the pressure relief valve will release some hot water on occasion in order to maintain a specific air gap at the top of the tank. This may be what your experiencing.
Bob
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Sorry to contradict, but the hot water safety valve is not designed to leak. It is designed to release if the pressure and/or temperature exceed the preset limits of the valve. When water is heated, it expands. If there is no air in the water system, the pressure may reach the setting on the relief valve and it may release a small amount of water, however, constant leaking is not the norm. If the valve releases water it in not letting any air in. The water heater relief valve on our 3 year old Skylark has never leaked even a drop.
If the unit is under warranty it would be worth a trip to the dealer to have it checked and replaced.
__________________
2011 Skylark 21FKV
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09-27-2014, 08:34 PM
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#11
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Senior Member
Join Date: Jan 2014
Location: Los Lunas, New Mexico
Posts: 3,766
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Jeez! Lots of opinions and they all sound correct to me. I think you are all right! Thanks much and I will still include the replacement on my list for the CW dealer this winter.
Happy RVing.
Jeff
__________________
2018 Eagle HT 26.5 RLDS. SOLD
2009 F150 Supercab UNICORN, 5.4L ,3.73, HD and Max Tow Packages, Timbrens, Bilstein shocks.
Wet bolt kit. Andersen Ultimate 20K hitch. TST 507RV TPMS. Hydro Life HL-200. 16" Goodyear Endurance. Progressive EMS. SteadyFast Stabilizers. Furion backup camera.
Best friend wife, Di, and dog Cooper. RETIRED
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09-29-2014, 11:29 AM
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#12
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Senior Member
Join Date: Jun 2010
Location: South Central Ohio
Posts: 216
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Are you using a water pressure regulator? When our house burnt, my cousin brought his 5th wheel down for us to live in a few weeks. The pressure relief valve was leaking. I went and bought a new valve, it also leaked. Put one of the inline water pressure regulators on and no more leaks from the pressure valve.
__________________
Jim
1999 Silverado 1500 ECSB 4x4 5.3/3.73s
2009 Jayco 32BHDS
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09-30-2014, 12:10 PM
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#13
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Senior Member
Join Date: Jan 2014
Location: Los Lunas, New Mexico
Posts: 3,766
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Quote:
Originally Posted by jwstewar
Are you using a water pressure regulator? When our house burnt, my cousin brought his 5th wheel down for us to live in a few weeks. The pressure relief valve was leaking. I went and bought a new valve, it also leaked. Put one of the inline water pressure regulators on and no more leaks from the pressure valve.
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Yes, I use a water pressure regulator which I believe is rated for 55psi, instead of ususal 45psi. I wonder if 55psi is too much pressure??
Happy RVing,
Jeff
__________________
2018 Eagle HT 26.5 RLDS. SOLD
2009 F150 Supercab UNICORN, 5.4L ,3.73, HD and Max Tow Packages, Timbrens, Bilstein shocks.
Wet bolt kit. Andersen Ultimate 20K hitch. TST 507RV TPMS. Hydro Life HL-200. 16" Goodyear Endurance. Progressive EMS. SteadyFast Stabilizers. Furion backup camera.
Best friend wife, Di, and dog Cooper. RETIRED
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