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04-30-2017, 10:48 AM
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#1
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Water heater turned on with no water in the system
Just back from a trip and noticed the water heater had been left on after we dumped.
It was on for about 2 hours.
The water system is empty (and my wife wants it left that way).
Can this damage the water heater?
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2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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04-30-2017, 10:55 AM
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#2
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Senior Member
Join Date: Jun 2011
Location: Citrus Springs, Fl.
Posts: 798
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You burned out the electrical element. Only takes a few short moments with no water. Might as well buy one.
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2017 Thor Freedom Elite 29fe
2015 Jeep Wrangler Toad
Making a smooth transition to senility for over 70 years
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04-30-2017, 10:59 AM
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#3
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Senior Member
Winnebago Owners Club Solo Rvers Club
Join Date: May 2015
Posts: 1,834
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Quote:
Originally Posted by 1stMH
Just back from a trip and noticed the water heater had been left on after we dumped.
It was on for about 2 hours.
The water system is empty (and my wife wants it left that way).
Can this damage the water heater?
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Did you have it connected to city water, but have the fresh water tank empty? You never winterized since the trip?
If so your water heater still had water in it it just was not under pressure. No damage done.
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Randy - Manhattan, Kansas
2015 Vista 27N
2020 Ford Escape Hybrid
[SIGPIC][/SIGPIC]
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04-30-2017, 11:22 AM
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#4
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Senior Member
Join Date: Nov 2009
Location: Warren, Oregon
Posts: 2,559
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If you did not pull the plug on the tank you are OK. If you had it on electric the only way it would have been on is if you had the inverter on or if the propane was on going down the road.
2 stroker
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2006 Country Coach Inspire 360 40ft Genoa Designer Series, Samsung 197 RR
Cat C9--STEEL & COPPER Bolt Together Radiator w/ updated rubber mounting
SilverLeaf 330 Magnum 2812 PSW 2011 Ford Edge Sport-Air Force One
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04-30-2017, 11:26 AM
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#5
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Senior Member
Join Date: Apr 2016
Posts: 148
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Most folks use the term dumped when they talk about dumping the gray and black water tanks. This doesnt drain the freah water from the RV. That being said all the coaches I have owned with a tank type water heater, the heater still retains water even if the fresh water system has been drained. There is a drain on the water heater to remove water.
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04-30-2017, 11:53 AM
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#6
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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The hot water, low point drain and fresh water tank were empty when the heater was on.
I did not notice it until I got back to the storage.
As the system is empty I will need to add water to test.
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2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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04-30-2017, 12:06 PM
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#7
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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I appreciate the replies.
The hot water low point drain in the water ray had been opened.
__________________
2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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04-30-2017, 12:29 PM
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#8
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Apr 2011
Location: SoCal
Posts: 1,542
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Simply draining the lines (including the hot water line) would still leave water in the water heater tank, in which case you may be ok. If YOU drained the water heater tank and then turned the element on, I'm not sure how you could justify blaming the RV service shop.
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You don't stop playing because you grow old...You grow old because you stop playing!
2004 Itasca M30W
'20 Can Am X3 X RS Turbo RR, '85 ATC250R, '12 Husky TE310
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04-30-2017, 12:38 PM
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#9
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Hi all,
I am silly, I just realized it was the water pump that was left on.
My apologies for the brain fart.
Would this have damaged the water pump?
Thanks all,
__________________
2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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05-01-2017, 12:48 AM
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#10
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Sep 2007
Posts: 2,976
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1stMH,
Damage to the water pump is a possibility, depending on how long it ran dry.
Please add info about your Rv in the signature area of your profile.
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01 WINNEBAGO 35U W20.8.1L 5sp allison SW Wa,. Good Sam, SKP. RVM 198 AMSOIL fluids. BANKS ecm program. SCAN GAUGE II w/ Ally temp. 2 LIFELINE GPL-6CT AGM Batts on their sides. Michelins, TST tptts. K&N panel air filter. AERO mufflers. TAYLOR plug wires. ULTRA POWER track bar. KONI fsd shocks, toad '21MB GLA FWD on dolly 
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05-01-2017, 04:15 AM
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#11
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Hi Dan,
It's a 2005 Damon Daybreak 3270f. I did not know I had to resetup my signature when I moved from using the full site to the Android app.
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2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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05-01-2017, 06:53 AM
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#12
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Senior Member
Join Date: Aug 2011
Location: Near Toronto, Canada
Posts: 1,842
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Quote:
Originally Posted by nosticks
You burned out the electrical element. Only takes a few short moments with no water. Might as well buy one.
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I can't imagine an extension cord long enough to drive for 2 hours with the water heater plugged in.
Of course the OP never said his w/h even has an electric element.
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Ted 'n' Laurie, plus Jackson (aka Deputy Dog, the Parson Russell Terrier 'fur kid') and, Rylie (who crossed the Rainbow Bridge June 14, 2012).
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05-01-2017, 01:06 PM
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#13
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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I am pretty sure it's lpg only.
__________________
2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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05-01-2017, 03:43 PM
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#14
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Senior Member
Join Date: Oct 2015
Location: Brighton, MI
Posts: 775
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Quote:
Originally Posted by Murf2u
I can't imagine an extension cord long enough to drive for 2 hours with the water heater plugged in.
Of course the OP never said his w/h even has an electric element.
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Bet he's got a generator onboard.
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Hank & Lynda
2003 Winnebago Adventurer 35U, Workhorse W22
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