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10-30-2013, 07:46 AM
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#1
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Senior Member
Join Date: Apr 2013
Location: Washington for now
Posts: 125
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draining hot water tank
Is there a seperate valve for draining the hot water tank? I have the main big plastic valve to drain the fresh water tank, then the blue and red small low water drain tubes. Not sure if there is a way to drain the hot water tank seperately or if I open all three of these will it drain that too. Likewise, if I hook my air compressor up to the fresh water fill after I have drained everything, will it also blow out the hot water tank? Thanks.
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2013 Fleetwood Storm 32BH, cheap handling fix, 5-Star tuned, custom cut Tempurpedic mattress, LED'd out, and custom mounted dog kennel. 14' JKU Willys Wheeler toad, SMI Stay-n-Play brakes, Demco Commander tow bar, Roadmaster brackets
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10-30-2013, 07:55 AM
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#2
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Senior Member
Monaco Owners Club
Join Date: Mar 2013
Location: Massachusettes
Posts: 370
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To drain your hot water tank you need to remove the big nut or plug at the bottom. This is the anode rod and needs to be inspected and replaced if necessary.
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1999 Monaco Windsor with a 330 Cummins.
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10-30-2013, 07:58 AM
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#3
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Senior Member
Join Date: Feb 2012
Posts: 715
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My experience with Fleetwoods is that the hot water tank drain is near the heater. Locate your heater and examine that area and you should see a handle within inches of the bottom of the tank. You should have a heater bypass valve on the water control panel that allows you to either pump air or antifreeze through the rest of the plumbing. I found that on my Fleetwood Revolution that draining the system did not remove all the water from the pump. I did not use antifreeze, just air, so the pump was not well protected. I removed the control panel to access the pump and disconnected both lines to drain it. I believe that heater bypass valve was located on the heater control panel, but is has been a few years since we owned a Revolution. I would not pump antifreeze through the heater. Actually, I don't use the stuff anywhere.
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2007 Dutch Star 4320
2010 Mazda Miata 6 speed
Roadmaster tow
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10-30-2013, 07:58 AM
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#4
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Senior Member
Join Date: Aug 2012
Location: Noblesville, IN
Posts: 331
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On mine there is a door on the outside that I open and the plastic plug is visible. Remove the plug and open the pressure relief valve and the water will flow out.
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2005 Country Coach 40 foot Inspire 330
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10-30-2013, 08:00 AM
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#5
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Senior Member
Fleetwood Owners Club
Join Date: Jan 2013
Location: Milton, NY
Posts: 923
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Quote:
Originally Posted by HoleInOne
On mine there is a door on the outside that I open and the plastic plug is visible. Remove the plug and open the pressure relief valve and the water will flow out.
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On the money!
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Steve & Beth - Milton, New York
2009 Monaco Diplomat 41 SKQ
2016 Ram 1500 Quad Cab 4x4
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10-30-2013, 08:04 AM
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#6
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Senior Member
Join Date: Feb 2012
Location: Lake County, IL
Posts: 1,584
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If it is a Suburban heater, there is a large drain plug with an attached anode rod. You will need a 1-1/16" socket and an extension. You may need to put some real muscle onto the wrench or rap on it with a hammer. If it won't budge, rent an impact wrench.
If it is an Atwood heater, there is a smaller, plastic drain plug and no anode. I am not sure what size wrench to use.
Joel
__________________
Retired electronics engineer. Avid paddler & birder.
2011 Silverado 2500HD, diesel, 4x4,crew cab, 8' bed
Palomino Puma 253FBS (27' 5er) & '94 19' Class B
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10-30-2013, 08:13 AM
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#7
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Senior Member
Join Date: Aug 2012
Location: Noblesville, IN
Posts: 331
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Quote:
Originally Posted by J Birder
If it is a Suburban heater, there is a large drain plug with an attached anode rod. You will need a 1-1/16" socket and an extension. You may need to put some real muscle onto the wrench or rap on it with a hammer. If it won't budge, rent an impact wrench.
If it is an Atwood heater, there is a smaller, plastic drain plug and no anode. I am not sure what size wrench to use.
Joel
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Hmmm. Never seen a plumber with an impact wrench. Hope you don't need that.
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2005 Country Coach 40 foot Inspire 330
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10-30-2013, 08:36 AM
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#8
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Registered User
Join Date: Mar 2010
Posts: 8,777
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Quote:
Originally Posted by HoleInOne
On mine there is a door on the outside that I open and the plastic plug is visible. Remove the plug and open the pressure relief valve and the water will flow out.
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The water heater tank will NOT drain/empty via the low point or other drains of the fresh water system.
An Atwood LP and LP/electric water heater has plastic plug, (while the Suburbans have a metal plug with an anode rod attached).
To drain the water heater tank, the plug, (or the plug with anode rod), must be removed.
As stated above, remove the plug and open the pressure relief valve and the water will flow out......(of course the city water must be disconnected and the RV water pump must be OFF.
Mel
'96 Safari
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10-30-2013, 08:55 AM
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#9
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Senior Member
Thor Owners Club
Join Date: Aug 2010
Location: Delaware
Posts: 614
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Quote:
Originally Posted by mel stuplich
(of course the city water must be disconnected and the RV water pump must be OFF.
Mel
'96 Safari
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... and of course the water heater must be turned off, and preferably allowed to cool!
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10-30-2013, 09:40 AM
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#10
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Senior Member
Join Date: Apr 2013
Location: Washington for now
Posts: 125
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Thanks alot everyone. It is an Attwood so I'll have to go look for the plastic drain plug.
__________________
2013 Fleetwood Storm 32BH, cheap handling fix, 5-Star tuned, custom cut Tempurpedic mattress, LED'd out, and custom mounted dog kennel. 14' JKU Willys Wheeler toad, SMI Stay-n-Play brakes, Demco Commander tow bar, Roadmaster brackets
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10-30-2013, 10:26 AM
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#11
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Senior Member
Join Date: Feb 2012
Location: Lake County, IL
Posts: 1,584
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Quote:
Originally Posted by HoleInOne
Hmmm. Never seen a plumber with an impact wrench. Hope you don't need that.
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I guess you've also never seen a totally rusted in drain plug. An impact wrenck is less likely to cause damage than using a long bar for leverage.
Joel
__________________
Retired electronics engineer. Avid paddler & birder.
2011 Silverado 2500HD, diesel, 4x4,crew cab, 8' bed
Palomino Puma 253FBS (27' 5er) & '94 19' Class B
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10-30-2013, 12:41 PM
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#12
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Senior Member
Join Date: Dec 2012
Posts: 529
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Quote:
Originally Posted by nomad10th
Thanks alot everyone. It is an Attwood so I'll have to go look for the plastic drain plug.
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I heard that we should have a new plug handy as they break.
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10-30-2013, 12:51 PM
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#13
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Senior Member
Join Date: Sep 2011
Location: Denver Metro Area
Posts: 333
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Quote:
Originally Posted by J Birder
If it is an Atwood heater, there is a smaller, plastic drain plug and no anode. I am not sure what size wrench to use.
Joel
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Anyone know what size socket is needed for the Atwood?
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Traveling whenever possible with DW, 3 kids and "Tate" the mut dog. 1999 Minnie Winnie 3F430V
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10-30-2013, 02:18 PM
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#14
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Senior Member
Fleetwood Owners Club
Join Date: Jan 2013
Location: Milton, NY
Posts: 923
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Quote:
Originally Posted by Bondad
Anyone know what size socket is needed for the Atwood?
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a big one
__________________
Steve & Beth - Milton, New York
2009 Monaco Diplomat 41 SKQ
2016 Ram 1500 Quad Cab 4x4
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