Another water question... (1 Viewer)

Nov 30, 2022
85
41
Funster No
92,704
MH
Autotrail Apache
When we collected out MH the seller good ole fella told me quite a bit about what to do etc but until we actually got out an about in it yhere is only so much that you can actually remember..

He mentioned something about when filling the water tank to do something to the taps first as it siphons off the water when filling...
Apologies on the vagueness but do we fill until it comes out of an overflow pipe (not sure if it has one) or until it squirts back from the filler cap?

We have two pipes below with turn valves on them are these - one for the waste and the other to drain the water tank?

We do have a rather large grey pipe further along near the exhaust which do I assume that this is from the shower/toilet sink?

Maybe it may be best if we called him up and asked him, but at least this way for asking here I have something to go back to if my memory plays up...

There is also the wonders of different peoples advice that makes a good read too ;)
 
Sep 29, 2019
2,852
6,523
Funster No
64,846
MH
Hymer Exsis
Exp
20 years
Keep playing, eventually you will work out what does what. :)

It depends on the model with filling. Ours it overflows underneath via a pipe if you fill too much. Eventually though, it will also come back through the filler hole.

The siphon is possibly the fact you need to ensure there is water in the tank as running some pumps dry is bad for them.

There could be several valves, I would suggest open each one and see what happens. We have 4 on ours, one for the water, one for the heater, one for the pipe work and one for the waste.

Some photos can help people tell you which is which of you have some. đź‘Ť
 

pappajohn

LIFE MEMBER
Aug 26, 2007
42,954
46,964
Dark side of the moon
Funster No
172
Exp
Since 2005
Just make sure the drain taps are closed.....nothing to do with sink tap, shower tap etc.
Some vans have an auto-drain valve for draining in cold weather to prevent the boiler freezing and bursting.
As you fill the tank keep an eye out for water pouring out underneath.
When you turn on the pump it has to fill the boiler (if it's drained) before getting to the taps.
Turn on the pump and open a tap until water flows without spluttering
Close tap, open another until water flows....repeat for both hot and cold.

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TheBig1

LIFE MEMBER
Nov 27, 2011
17,160
40,923
Dorset
Funster No
19,048
MH
A class
Exp
many many years! since I was a kid
Some, but nowhere near all water tanks have a valve that will allow you to fill to only 20%, but if you close the valve will fill to 100%

The 2 plastic valves are usually to dump fresh and waste water tanks
 
Feb 19, 2018
4,094
77,342
EAST ANGLIA
Funster No
52,484
MH
Murvi Morello
Exp
Since 1975
As pappajohn said, the only taps which might throw you are the winter 'drain down' pipes which, at this time of year, have probably been left open (unless it has an automatic valve)
On my van, there are 2 taps that are very stiff (because they only get used once a year) and are bloody awkward to get to.

If these are open and you start to fill with water, it will soon start pouring out underneath and then you will have a clue to where to find the taps.

Good Luck!
 

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