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09-26-2019, 10:59 AM
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#1
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Junior Member
Join Date: Dec 2015
Location: Portland OR
Posts: 14
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Hot Water Heater Problem
So I have a 2010 Cougar half ton trailer and when I took it out last month the hot water quit heating when hooked up to power about halfway through my stay. I went out and tried to turn the switch to the off position but it was stuck in place and will not budge.
I went ahead and used propane the rest of the trip and it heated just fine. Has anyone had the on/off switch freeze up like that and stop heating when hooked up to shore power? Solutions?
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09-26-2019, 12:22 PM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,317
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I’ve seen those switches fail. Cheap enough to just replace and be done.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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09-26-2019, 12:37 PM
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#3
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Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
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Was the pin in the holes?
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Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
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09-26-2019, 12:44 PM
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#4
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Senior Member
Join Date: Mar 2015
Location: Southeastern Connectiut
Posts: 1,306
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+1 for Chuckster ^^^
Had to replace mine too. Just throw the breaker, or come off of shore power first.
Good Luck,
__________________
Pull Toy
Steve & Jan, Ava & Emma (Mini Schnauzers):
2016 F350 Lariat 4X4 Powerstroke CC/SB "PULLTOY V"
2013 Alpine 3535RE "MAGIC CARPET IV"
Proud Navy Vet! 
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09-26-2019, 01:05 PM
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#5
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Junior Member
Join Date: Dec 2015
Location: Portland OR
Posts: 14
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Quote:
Originally Posted by chuckster57
I’ve seen those switches fail. Cheap enough to just replace and be done.
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Ok thanks! Are they easy to replace? It looks a little hard to get to but I haven't tried removing it yet.
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09-26-2019, 01:06 PM
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#6
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Junior Member
Join Date: Dec 2015
Location: Portland OR
Posts: 14
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Quote:
Originally Posted by ctbruce
Was the pin in the holes?
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No, in fact I dont think mine even has a pin.
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09-26-2019, 01:47 PM
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#7
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Senior Member
Join Date: Mar 2015
Location: Southeastern Connectiut
Posts: 1,306
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Once the shore power is disconnected, carefully pry the switch out. Be careful not to tear the square rubber gasket behind the switch. You will see two spade connectors on the back of the switch once it's out. Put the gasket on the new switch, and connect the spade connectors to it. Orient it so that you can read the "Off/On" labels, and snap it back into the slotted hole until it snaps into place. Make sure your tank is full, then re-apply shore power and "try her out"! You should be all set.
p.s. Not all electric HW heaters have that clip to keep you from throwing the switch. Since mine doesn't, I have a few labels, strategically placed, to remind me to turn off Water Heater LP ( and/or) Electric, when breaking camp. Example: At my Tank Gauge monitoring panel.
Good Luck,
__________________
Pull Toy
Steve & Jan, Ava & Emma (Mini Schnauzers):
2016 F350 Lariat 4X4 Powerstroke CC/SB "PULLTOY V"
2013 Alpine 3535RE "MAGIC CARPET IV"
Proud Navy Vet!
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09-26-2019, 01:59 PM
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#8
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Senior Member
Join Date: Aug 2010
Location: Central New Jersey
Posts: 247
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Replaced switch in August
My water heater electric switch got stuck in the off position. So, I changed it this August. The switch was only about $8. My biggest problem in replacing it was the wires behind it were short. I had to be sooooooo careful I didn't lose one inside while installing the new switch.
New switch works great. Old one had a pin. New one does not.
__________________
2011 Ford F250 XLT CCSB 6.7 DIESEL (SOLD)
2011 Keystone Cougar 318SAB (SOLD)
2022 Ford F350 XLT CCSB 6.7 DIESEL
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09-26-2019, 03:12 PM
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#9
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Junior Member
Join Date: Dec 2015
Location: Portland OR
Posts: 14
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OK, thanks! Sounds easy enough. I will give it a try. Looks like I can order a replacement switch from Amazon.
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10-08-2019, 09:19 AM
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#10
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Junior Member
Join Date: Dec 2015
Location: Portland OR
Posts: 14
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Just wanted to say a quick thank for the help you all provided!
Bought the switch for $4.95 at a local RV parts house. It was a bit tricky to get it out of that tight space but thankfully they left several inches of wire for me to pull out behind the switch so it was no problem connecting them to the new switch.
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10-08-2019, 11:28 AM
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#11
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,669
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Thanks for following up with the forum.
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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