Vailant water heater

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November 4, 2010 at 11:26 #4741
Pat
Pat
Participant

Hi all. Does anyone know about the old Vailant water heater? Has anyone replaced the diaphragm or know the correct input water pressure? Regards Pat sea Thrift.

November 6, 2010 at 18:34 #8021
Moderator
Moderator
Keymaster

I’ve uploaded the scanned Valient manual to the Equipment Manuals page.

The manual offers no help regarding the parts replacement, but you can see info about correct water pressures.

Ours still works well, so have not messed with it. It does leak at the temperature adjustment valve, depending on temperature setting, so we will need to tear into that someday.

November 7, 2010 at 10:55 #8051
Pat
Pat
Participant

Marilyn. many thanks for Vailant manual. Very useful. Pat Sea Thrift

November 7, 2010 at 11:05 #8061
michael bennett
michael bennett
Participant

Hi Pat,

I have a Valient heater installed, which also had diaphram problems, it had stretched and needed replacement.
I took photographs of mine, with the cover off, and sent them to Valient, they were a little surprised any were still in use at it turned out to be the first model they made! the diaphrams for mine were not avaiable, but they sent me some almost the same, all I needed to do was punch a couple of new holes to fit them, since then perfect…I had quite a few sent to me, they are on the boat and I am in the UK or I would send some to you. As to the water pressure I am not able to help, mine works fine using the galley pump.
Mike

November 7, 2010 at 12:08 #8071
Pat
Pat
Participant

Thanks Mike. All noted. I am about to open the heater up and try to sort it out. Regards
Pat Sea Thrift

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