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Dec 15, 2018
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Other Tradesman
Hi All

My First post.

I have moved into a house recently. I have a system boiler with a water cylinder. Downstairs I have two timer/switches, one controls the heating downstairs and the second one controls the heating upstairs, however in order to turn the heating upstairs I have to also have to have the heating switched on downstairs, the boiler does not switch on just with having the upstairs timer on.

I have spoken to an installer on the telephone today about isolating upstairs heating to downstairs so I can turn the heating on upstairs without having the downstairs heating. He said it appears to be a electrical installation issue, he says if l have two separate timers the piping should be all separately zoned and more likely not wired properly.

Any experts here comment on this please? is it an electrical issue or something to do with piping /system?

I also have a thermostat for downstairs heating which switches the heating on/off downstairs only.

Thanks in advance!

H
 
The system should have been commissioned and functionally tested by the plumber/ engineer.

Its very important with an unvented cylinder installed to check the correct operation of the zone valves and controls including the stats correctly turn off.

i would say the system was installed then wired and nobody has bothered to check it works correctly. Id be asking the plumber back to correctly commission it.
 

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