Draining down for winter (1 Viewer)

Slackhouse

Free Member
Sep 19, 2010
21
2
Hebden Bridge
Funster No
13,766
Exp
One
Hi - We have a Moican and there is a small blue tap beneath the water fill point. Does this drain the fresh water tank or just the hot water heater. When I opened it to drain down very little water came out :Sad: so I emptied the tank by using the internal taps and passing out through the grey water.

Any advice on draining down would be appreciated.::bigsmile:

Thanks
Pete
 

lorger

LIFE MEMBER
Jul 11, 2008
9,655
90,482
Dumfries
Funster No
3,262
MH
Knaus Sun 650MEG
Exp
2007
Hi dont know about your van but ours has a valave that does the hot water tank and one outside that does the fresh water one. I would assume there will be a valve to empty it dont know if it will be a separate one though.

Not much help but gives you an idea.

Gerry
 

pappajohn

LIFE MEMBER
Aug 26, 2007
43,295
49,268
Dark side of the moon
Funster No
172
Exp
Since 2005
Hi Pete,

dont know the mohican but the fresh tank should have a seperate drain tap...it may be down the back or side of the tank out of view...the kontiki tap is a pain to get at down the back.

the boiler should have its own drain tap/bung on the heater body.
if its a bung it will be outside at the bottom of the heater vent.
if there is a flip tap next to the boiler then operate that....its an automatic cold weather valve to prevent freezing and will drain the boiler.

also, does the toilet have its own flush tank or does it use the fresh water tank ?

if it has its own tank then drain that as well....usually a clear 'sight' tube next to the cassette.
simply remove the filler then pull off the upper end of the tube and aim outside the locker.

when draining, open all taps and set mixer types to the center position then leave like that 'til you need to refill later.

remove the shower hose and blow down it to clear water from the mixer tap (taps open)...leave it off as above.

if you have a water filter, drain and remove the filter element, if it has one, as it may freeze and crack the housing.

lastly, operate the water pump for a few seconds when the system has been drained.....any water in the pump and it will freeze, usually cracking the pump casing.

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MikeandCarolyn

Free Member
Mar 18, 2008
2,170
1,468
Worle,North Somerset
Funster No
1,860
MH
Coachbuilt
Exp
Since 2009
Our LMC van has a Truma boiler with the usual dump valve that operates at below about 8deg C or can be operated manually by pushing it down.Our fresh water tank has a 'bung' or 'plug' which can be reached by unscrewing the 5" cap and reaching into the corner.
Hope that's some help to someone lol
Mike.
 

bob and jules

Free Member
May 27, 2009
117
33
Goosnargh Lancashire
Funster No
6,886
MH
C Class
Exp
Feb 2009
The blue external tap is drain for the fresh water tank only. If its like our Chieftain you will have to unclip it from the body to allow it to get lower to let all the water out. Dont forget if youre on a slope or a camber away from the tap it may not all empty out. The only way to get it all out ( that I know of ) is by running the internal taps dry. A liittle bit left in the tank shouldnt cause too much of a problem because its got room to expand, but the pump and taps need to be water free.

Hope that helps
 

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