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Adam 74

Hi thanks for taking the time to read.
I am myself a heating engineer for the last 13 years, but I have come across something new.

the scenario is I have 2 ultracom 24hxi piped up in parallel. No problem.
1 pump and zone valves. All work fine as is, have been running on 1 boiler for the last 2 years.

However want to power up and use the second boiler as well.
My only question is.. Do I just wire the pump into 1 boiler ?
as they are in parallel and the pump overrun on 1 will run pump in turn cooling both boilers. ..

l,n,e and switched live are dead straight forward. Cheers for reading. Adam
 
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