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04-10-2009, 08:14 AM
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#1
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Montana Master
Join Date: Jan 2006
Location: San Antonio
Posts: 1,298
M.O.C. #5165
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Hot Water--OFF or ON
Let me describe my situation. My hot water was doing great then suddenly there was no hot water or any flow of water when the hot water was selected in the kitchen, shower or sink. So here is what I have found out:
1. Checked the cold water into the water heater by turning off the water heater, let it cool down, then open the expansion valve. Water ran out and I could stop it by turning off the cold water to the water heater. So I have good incoming water pressure.
2. There are no kinks or restrictions in any of the hot water lines to the shower, kitchen sink or bathroom sink.
3. At the shower, kitchen sink, or bathroom sink, in the hot water position, there is bearly a drip of water-virtually no flow.
4. Then suddenly the water flow is restored then it stops again. It is currently stopped.
5. I removed the plastic fitting attached to the copper nipple coming out of the hot water tank.
6. Looking into the copper nipple, I saw a flow restrictor that is basically a small white plastic donut with a very small hole in the center. What is that??? It appears to be part of the copper nipple or could it have broken off of something in the water heater and gotten stuck in the nipple. The diameter of the restrictor appears to fit the nipple.
7.I tried to remove the nipple but could not break it loose with limited tools on the road. And I have an extended warranty--so the dealer will see it first thing next week.
SO--Any suggestions or has someone seen this before?? 
__________________
F-250 King Ranch Crew Cab 2012, Single Wheel, 6.7 L Diesel, Transfer Flow Internal 50 Gallon Fuel Tank, Upgraded Ford Software for 50 Gallon tank, 2006 3475Rl with Mor-ryde King Pin, 2nd AC, 2nd Battery, Pressure Pro TPMS, Wet Bolt Shackle Kit
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04-10-2009, 08:28 AM
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#2
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Montana Master
Join Date: Jan 2003
Location: Haldimand County
Posts: 2,413
M.O.C. #122
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I am pretty sure that what you are describing is the HWH outlet check valve. Its main purpose seems to be to prevent antifreeze from back flowing into the HWH during winterizaton. (If has another purpose, I don't know what it is). They are prone to failure, and can be replaced fairly easily on most models. I carry a spare and suitable tool for changing the valve, but so far I have never had to. Your dealer should be able to look after you very easily. You may be able to find a better quality (all brass) check valve if you look around.
You can probably get by without it if you never have to winterize. Maybe you can pry the guts out of it until you can get it replaced.
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04-10-2009, 01:36 PM
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#3
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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04-10-2009, 01:56 PM
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#4
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Montana Master
Join Date: Jan 2006
Location: San Antonio
Posts: 1,298
M.O.C. #5165
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OnMont and Ozz--You guys hit the homerun! Thanks for the info. I have not had to winterized in South Texas but I will get the checkvalve changed out. May carry a spare for the next NO HOT WATER situation-especially since it happened to my wife! 
__________________
F-250 King Ranch Crew Cab 2012, Single Wheel, 6.7 L Diesel, Transfer Flow Internal 50 Gallon Fuel Tank, Upgraded Ford Software for 50 Gallon tank, 2006 3475Rl with Mor-ryde King Pin, 2nd AC, 2nd Battery, Pressure Pro TPMS, Wet Bolt Shackle Kit
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04-10-2009, 03:07 PM
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#5
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Montana Master
Join Date: Sep 2008
Location: Bangor
Posts: 770
M.O.C. #8816
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now that is some good info right there!!!!!!!!!!
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04-11-2009, 12:07 AM
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#6
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Montana Master
Join Date: Apr 2007
Location: South Shore
Posts: 6,009
M.O.C. #7110
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It sounds to me like you guys nailed this one!
“timandsusan” Keep us posted when you get it fixed.
__________________
2011 GMC 4X4 dually CC, 6.6 Duramax with Allison Transmission. Formally 2001 Montana,2007 3400RL Montana, presently 2018 3401RS Alpine.
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04-11-2009, 03:59 AM
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#7
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Montana Master
Join Date: Nov 2002
Location: Weatherford
Posts: 1,383
M.O.C. #9
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Same thing happened to us on our looong trip last fall. Using Ozz's photos I was able to locate and remove the valve - had to remove the oven and range in our floorplan. Since we were nowhere near a source I just re-assembled without the valve. It's on my "to do" list but not very high up since it works.
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04-14-2009, 11:07 AM
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#8
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Montana Master
Join Date: Jan 2006
Location: San Antonio
Posts: 1,298
M.O.C. #5165
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Well--we took the Monty into the shop today. I will report what got fixed on Friday when we will get it home for a trip to Port Aransas and the Escapee Rally.
Tim and Susan
__________________
F-250 King Ranch Crew Cab 2012, Single Wheel, 6.7 L Diesel, Transfer Flow Internal 50 Gallon Fuel Tank, Upgraded Ford Software for 50 Gallon tank, 2006 3475Rl with Mor-ryde King Pin, 2nd AC, 2nd Battery, Pressure Pro TPMS, Wet Bolt Shackle Kit
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04-15-2009, 04:03 AM
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#9
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Montana Fan
Join Date: Mar 2005
Location: Highlands Ranch
Posts: 464
M.O.C. #3477
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I am constantly in awe of the great and powerful Ozz...............Toto, let's get out to the RV and do some work!
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04-22-2009, 02:39 AM
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#10
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Montana Master
Join Date: Jan 2006
Location: San Antonio
Posts: 1,298
M.O.C. #5165
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HOT WATER IS ON! Our Monty Dealer replaced the winterizer backflow valve on the hot water outlet to correct my problem. The valve failed for some unknown reason. No cost because it was covered under my extended warranty. We are in Port Aransas, TX, at an Escapee Rally in Pioneer RV Park--we have given the fix a good 3 day test --it passed. Looking forward to lots of great hot water. 
__________________
F-250 King Ranch Crew Cab 2012, Single Wheel, 6.7 L Diesel, Transfer Flow Internal 50 Gallon Fuel Tank, Upgraded Ford Software for 50 Gallon tank, 2006 3475Rl with Mor-ryde King Pin, 2nd AC, 2nd Battery, Pressure Pro TPMS, Wet Bolt Shackle Kit
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04-22-2009, 03:11 AM
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#11
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Montana Master
Join Date: May 2003
Location: New Bern
Posts: 4,294
M.O.C. #311
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Glad it is fixed. I vowed I would never take another cold shower after Viet Nam.
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04-22-2009, 02:47 PM
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#12
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Montana Fan
Join Date: Aug 2007
Location: Auburn
Posts: 121
M.O.C. #7533
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Once again, another link that will save me from frustration and headache. Thanks Ozz
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04-26-2009, 10:55 AM
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#13
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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Tim, I recommend carrying the spare. I need to get one, also. Ours went out in our prior Montana when the temperature was in the teens for a week or so. It never happens in good weather. So I want to have a spare ready, just in case.
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