Plumbing question

May 6, 2015
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I need to clean up the plumbing around the water tank and pump as it is a Hodge Podge of garden hose, rad hose, and gawd knows what else. I also want
to put in a hot water bypass as well as an antifreeze line for winterizing.

Anyways my question is about how the fresh water hookup interfaces with the plumbing. Is there a one-way valve in the system? Or does the OEM pump
have it built in? I'm thinking something might be in there as I had an issue the other week. I lost all water and my pump just kept going. After a
crap load of debugging I saw water leaking out the fresh water hookup port. I 'pushed' the inside of it and water blasted out hard. After that my
inside water returned to normal.

I really need to clean this up :)

--
75 Glenbrook
 
> I need to clean up the plumbing around the water tank and pump as it is a Hodge Podge of garden hose, rad hose, and gawd knows what else. I also
> want to put in a hot water bypass as well as an antifreeze line for winterizing.
>
> Anyways my question is about how the fresh water hookup interfaces with the plumbing. Is there a one-way valve in the system? Or does the OEM
> pump have it built in? I'm thinking something might be in there as I had an issue the other week. I lost all water and my pump just kept going.
> After a crap load of debugging I saw water leaking out the fresh water hookup port. I 'pushed' the inside of it and water blasted out hard. After
> that my inside water returned to normal.
>
> I really need to clean this up :)

Well, a good start would be to replace that city water connection. That is supposed to have a working check valve.

In the early coaches with copper water systems, there was a check valve at the water pump because those pumps could not handle the 70psi that exists
in some places. I don't know about the non-copper coaches.

The one thing you should pay attention to is that the hose and other parts you put in there are "drinking water safe". That means that they limited
the amount of lead and toxic chemicals that might come loose.

Matt
--
Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan
OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Twixt A2 and Detroit
 
Good advice thanks. I think I'll be replacing the external water connector regardless as I can't get it to stop leaking in the few times I have used
it.

I do have a check valve by the pump...it is disconnected now but I can re-use it when I update the plumbing.

My valve on the floor to drain the water tank doesn't seem to do anything and is hard as heck to move. I assume this is to drain the water tank via
gravity? Also looks like there is a valve that will allow you to drain via the pump?
--
75 Glenbrook