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06-21-2017, 11:25 AM
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#15
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Senior Member
Join Date: Nov 2006
Location: Western NY
Posts: 6,149
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No bypass is to winterize water system w/I filling WH w link AT.
Most water systems you don't need to do anything except turn off pump when hooked to city water.
There is likely a valve in the wet bay city water / tank fill...that allows filling tank when hooked up vs using gravity tank fill that many MGs have where you just stick a hose in an open port.
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Don & Marge
'13 Newmar Ventana 3433 - '14 CR-V TOAD
'03 Winnebago Adventurer 31Y - SOLD
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06-21-2017, 11:56 AM
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#16
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Quote:
Originally Posted by Winemaker2
No bypass is to winterize water system w/I filling WH w link AT.
Most water systems you don't need to do anything except turn off pump when hooked to city water.
There is likely a valve in the wet bay city water / tank fill...that allows filling tank when hooked up vs using gravity tank fill that many MGs have where you just stick a hose in an open port.
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I know exactly which one it is now :-)
Thanks very much,
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2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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06-21-2017, 07:22 PM
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#17
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Senior Member
Join Date: Jan 2013
Location: Muskoka Ontario Canada
Posts: 3,142
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As stated, on the front of the hot water tank there is a high limit blow off valve. If the water gets too hot it will automatically open and release the pressure. The only sure way I know of to check that the tank is full is to flip the valve up and check for water. It should come out of the flip up high limit valve. If it doesnt, there is no water in the tank. Opening a sink tap tells you little to nothing, and gambling that the tank is full can get expensive.
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 2000 coachmen santara 370 5.9 cummins isb
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06-22-2017, 07:34 PM
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#18
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Quote:
Originally Posted by winniman
As stated, on the front of the hot water tank there is a high limit blow off valve. If the water gets too hot it will automatically open and release the pressure. The only sure way I know of to check that the tank is full is to flip the valve up and check for water. It should come out of the flip up high limit valve. If it doesnt, there is no water in the tank. Opening a sink tap tells you little to nothing, and gambling that the tank is full can get expensive.
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Thanks, I know which valve you mean.
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2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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06-22-2017, 08:30 PM
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#19
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Junior Member
Join Date: Feb 2017
Posts: 7
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Filling a water heater when filling water tank
Do you have a city water connection on your rig? If so, you could connect to this prior to leaving home. You would also have a bypass lever to fill tanks automatically this way. When leaving for S.P. camping we usually connect to house water and fill the HWH using this water. I open the HWH popoff until water runs out then bleed off air out of each faucet. I would then turn water off if I didn't want to put water in the tanks. I almost always take 1/2 tank of freshwater with me now to our S.P. since theirs is hard and full of iron.
2004 Pace Arrow 36r
Mastertow dolly
2004 Honda Accord
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06-22-2017, 08:31 PM
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#20
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Quote:
Originally Posted by Jokaamda
Do you have a city water connection on your rig? If so, you could connect to this prior to leaving home. You would also have a bypass lever to fill tanks automatically this way. When leaving for S.P. camping we usually connect to house water and fill the HWH using this water. I open the HWH popoff until water runs out then bleed off air out of each faucet. I would then turn water off if I didn't want to put water in the tanks. I almost always take 1/2 tank of freshwater with me now to our S.P. since theirs is hard and full of iron.
2004 Pace Arrow 36r
Mastertow dolly
2004 Honda Accord
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I do have a city water connection, I will check out using this as an option.
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2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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06-22-2017, 08:53 PM
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#21
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Junior Member
Join Date: Feb 2017
Posts: 7
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Make sure you bypass lever is off so aren't filling your tanks. I assume you travel with empty tanks? 6 gallons in the WH wont hurt anything. Happy Camping!
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06-22-2017, 08:55 PM
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#22
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Quote:
Originally Posted by Jokaamda
Make sure you bypass lever is off so aren't filling your tanks. I assume you travel with empty tanks? 6 gallons in the WH wont hurt anything. Happy Camping!
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Will make sure of that.
If I am going somewhere I know O can get water I fill up their but if going to rustic places I fill up at the storage lot.
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2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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06-22-2017, 09:04 PM
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#23
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Senior Member
Join Date: Apr 2016
Posts: 1,052
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Another time to manually open the high limit valve on the water heater, during winterization. Release the pressure BEFORE pulling the anode rod (assuming your tank has one) or opening the drain valve. Otherwise, you may get a shower.
FWIW, I always check the pressure valve for water flow before turning on the electric heating element.
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Tolerance will reach such a level that intelligent people will be banned from thinking so as not to offend the imbeciles. Fyodor Mikhailovich Dostoevsky, Russian Novelist
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06-22-2017, 09:06 PM
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#24
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Do not open the pressure relief valve ar the top of the tank. The system needs the air cushion to allow for expansion. Just leave it closed when filling the system.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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06-23-2017, 05:16 PM
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#25
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Senior Member
Join Date: Jan 2013
Location: Muskoka Ontario Canada
Posts: 3,142
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Are you confused yet? Lot of conflicting answers here.
__________________
2000 coachmen santara 370 5.9 cummins isb
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06-23-2017, 05:18 PM
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#26
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Senior Member
Join Date: Jan 2017
Posts: 7,494
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Quote:
Originally Posted by winniman
Are you confused yet? Lot of conflicting answers here.
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I am always confused :-)
Drove to the dealer today and had to head back due to a flood. Had to do a 3 point turn on a country road :-)
__________________
2008 Phoenix Cruiser 3100
2012 Jeep Wrangler Sahara JKU.
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