Fresh Water Dump

[Folkranger]

Coming up to my first winter with the Hymer and have just completed our last trip of the year before laying up the van.
(and yes I know people will say "just use it", but each to their own)

The Hymer manual is pretty useless in respect to winter laying up, but I've been doing this for long enough to know the obvious.

My last van (Rapido) had a great manual. That van also had two valves which dumped fresh water from the system. I can find none of this with the Hymer. Yes there is a valve to empty the fresh water tank but does this guarantee the pipes are emptied? ( Obviously the taps will be opened and blown through)

 

[golly]

On ours there are two valves in a "trap door" in the floor one each for hot and cold system as well as the boiler dump obviously.

 

[paddymcc]

There should also be a dump valve by the boiler which it makes sense to operate manually to drain the boiler rather than relying on the frost protection valve to open.
Everything else sounds like what I would do.

 

[bigalw35]

In ours (2001 MB B680) under the “floor” in the wardrobe there are 3 valves, one on the cold line (blue), one on the hot line (red) and one on the truma (a black solenoid valve) I recently opened all of ours, wont be shut now till spring, good luck

 

[Folkranger]

There should also be a dump valve by the boiler which it makes sense to operate manually to drain the boiler rather than relying on the frost protection valve to open.
Everything else sounds like what I would do.

Of these, I've dumped the boiler, but I've never found what the other one does. Open or closed, nothing happens.

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[paddymcc]

Mine is an older system (2006) so the frost valve looks different but the little blue cap beyond it in the photo can be wound anticlockwise and that will drain water from the system. You can't easily see it but it is in fact a T piece with the stalk of the T going through the floor to the outside. It may be that you have already drained the system enough so nothing more will come out.

 

[bigalw35]

Of these, I've dumped the boiler, but I've never found what the other one does. Open or closed, nothing happens.

as the last post explains, but you may find the pipes from the valves (underneath) are blocked with road crap ?

 

[Folkranger]

Mine is an older system (2006) so the frost valve looks different but the little blue cap beyond it in the photo can be wound anticlockwise and that will drain water from the system. You can't easily see it but it is in fact a T piece with the stalk of the T going through the floor to the outside. It may be that you have already drained the system enough so nothing more will come out.

Thanks, It was the crud. I'd already drained the water tank, taps open and blown through. Quite a bit of water came out when this was unblocked though.

 

[Folkranger]

as the last post explains, but you may find the pipes from the valves (underneath) are blocked with road crap ?

Thanks. It was the crud.