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Water heater dump valve (1 Viewer)

Jaws

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Sep 26, 2008
23,854
73,085
Thetford Norfolk
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4,189
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since 2006 ( I think ! )
Heard a drip under the van the other day..
Turned out to be the dump valve leaking by..
Tried a quick reseat ( opened and closed the thing several times ) but to know avail.
Anyone know of a fix or replacement ?
Damned if I am going to pay £79 for a small bit of plastic that for any application apart from motorhome related would proly be about £7 or £8 !!
 

DanielFord

Free Member
Jun 1, 2013
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And failing that, they are simply a valve, there must be something one could improvise with at a plumbers merchants? As long as the hoses fit, shouldn't be too difficult to replace.
 

Techno

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What type of valve is it? manual automatic?

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Jaws

Jaws

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Sep 26, 2008
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What type of valve is it? manual automatic?

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Thats the little bugger !!
I spent an hour yesterday looking for one and could not find it.. Cheers Andy.. Will be getting one on order !

Thanks to PJ, Dan and Jim too for your inputs.. all possibles and all good stuff, but for £6 I will just replace the thing !!
 

Techno

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I would strip and clean it first as Jim suggested. That one is on AUCTION but BIN are around £28

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EDIT
Looking at the picture it looks like the metal head is crimped on so not a straight forward service
 

GWAYGWAY

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Sep 6, 2014
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My auto dump valve is a pain it wants to drop the water whenever the temperature is lowish not 4 degrees but just cooler than 10 and it will not reseal until I put a heater on it to warm it right up. If I leave the pump on it will drop the lot. A clothes peg has been brought into action to hold it up.
 

ebo

Nov 9, 2009
98
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Just replaced the very same valve for a friend of mine, unfortunately they are unserviceable as techno said they're about £28.
 

scotjimland

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Jul 25, 2007
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not a straight forward service

they are unserviceable as techno said

No need to strip the valve to clean it.. simply soaking overnight in a hot water/white vinegar solution will remove the limescale..

if that doesn't work.. then perhaps replacing is the only option..

but before I forked out 30 quid I would still strip and see if it could be repaired.. nothing ventured .. etc

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DanielFord

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Jun 1, 2013
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Thats the little bugger !!
I spent an hour yesterday looking for one and could not find it.. Cheers Andy.. Will be getting one on order !

Thanks to PJ, Dan and Jim too for your inputs.. all possibles and all good stuff, but for £6 I will just replace the thing !!
I'm going to order one of them also. Mine works perfectly at the moment, but in a year or so when mine fails, I know I will have forgotten about this thread! :D
 

hilldweller

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Dec 5, 2008
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I'm going to order one of them also. Mine works perfectly at the moment, but in a year or so when mine fails, I know I will have forgotten about this thread! :D

Carry on like that and in a year or so you be done for being overweight.
 

jaykay

Free Member
Aug 19, 2011
199
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Rapido 997M Auto
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Virtually none ! :)
My auto dump valve is a pain it wants to drop the water whenever the temperature is lowish not 4 degrees but just cooler than 10 and it will not reseal until I put a heater on it to warm it right up. If I leave the pump on it will drop the lot. A clothes peg has been brought into action to hold it up.
Mine is the same (auto) and I also use a peg to keep it closed.
 
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Jaws

Jaws

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Sep 26, 2008
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Hey Jaws where's your Dash Cam thread Gone??
I dunno ! Dropped out of site by now I should think mate..
Will take a look as doing another order when we get home though

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Jun 30, 2010
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1992 VW Auto sleeper Mono
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I've got an electric Automatic dump valve going spare, surplus to requirements.
Swap you for a BBQ gas point.
 
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Jaws

Jaws

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Sep 26, 2008
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Bloody ebay nutters.. That thing ended at £28 inc post.. about the same as a lot of places sell them new anyway !



I've got an electric Automatic dump valve going spare, surplus to requirements.
Swap you for a BBQ gas point.

Depends on what type of gas point you want mate ?
I do have a spare.. It is a fly lead type that I used to have t'ed in to the low pressure side of the regulator
Can supply all pipe and T piece if any good ?
 
Jun 30, 2010
7,927
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Cornwall
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MH
1992 VW Auto sleeper Mono
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Since 2005 this time
Got a picture? Not quite sure what you mean.
I would like the one that fits into the Bodywork, so that you don't have to open the door. Can I use the one you have like that?
 

etap

Free Member
Nov 19, 2014
256
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Somerset
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MH
Chausson Flash 610
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3 years
Hi Techno 100 and Jaws,
Looking at the valve on eBay that you showed, it looks like the one we have on our new Chausson 610 but I thought it was the frost safety valve, if it is not then we don't have a frost safety valve on our MH, can you or anyone else inform me whether Chausson don't now fit them as standard? Be pleased with the answer.
Etap
 

PeteH

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Nov 22, 2007
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18+yrs plus 25+Towing

Terry

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Dec 27, 2007
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Can't remember ;)
IF It`s 15mm Hard plastic? then look here:-

http://www.screwfix.com/p/jg-speedfit-15esotp-emergency-shut-off-tap-15mm/13133

I am assuming it IS only a drain down valve so anything like this would do and at £4-99 a damn sight cheaper that a "pukka" job!!!!

Pete
Hi Pete the link shows a 15 mm one -almost all caravan M/H stuff is 12 mm and is almost only available through M/H suppliers / outlets --if anyone needs or wants to use 15 mm piping I have a load of 15 to 12 reducers (y)
We find using 15 mm pipes and reducing to 12 mm for pumps etc allows you to use proper taps instead of the expensive M/H versions and cheaper 15mm push fit s for Joints etc :)
terry
 

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