Was the heating system properly flushed when first installed???
Yes - I would expect Morris Homes contractors to have done this.
At any rate, it was done under MH's warranty twice in the first 2 years.
I'd expect more than 5 years!! Me too
If you have had to replace that many valves over...
I am on my 4th CMV322 in 5 years! - This one is playing up after 19 months - to me that is not long enough - I'd expect 5 years, is that unreasonable?
Looking at the posts that you have all very kindly posted, the Honeywell does seem the preferred option, on a like for like.
I would prefer to...
Ahh - well that sort of answers my question - as I'm not into re-wiring the programmer myself.
Looks as if the simplest is to try a Honeywell then...
Any idea which model Honeywell will replace the Siemens CMV322 & DVA3?
(I have photos, but can't post link yet)
Thanks
Dave
EDIT to...
OK - I know it will be a drain down job anyway, so I could change the existing siemens for 2 x 2 port valves while I am at it...
However, I do have a few questions regarding replacing a 3 port with 2 x 2's:
1, As the system was "designed" with a 3 port valve, will changing 1 x 3 port valve to...
OK thanks for the answers, it seems I do need to do a bit or work.
Can I replace a Siemens with a Honeywell?
Is this better than replacing a 3 port with 2 x 2 ports? (Less work obviously)
I have watched the video too which slightly answers my question about replacing a Siemens with a...
Hi,
My 5 year old house (built by a major company) has a "conventional" hot water/heating system:
Gas Boiler (Potterton?)
Siemens programmer
Pre insulated Hot water Tank (in airing cupboard)
Siemens DVA3 actuator
Siemens 22mm 3 port Valve.
Inhibitor in system.
The problems I have had...