Onoff

Gearing Up For A Temporary UFH Buffer

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1 hour ago, PeterW said:

Probably because it is wired as 2 zones, upstairs and downstairs. A lot of systems are done like this so they can use the zone valve micro switch as a call for heat to the boiler. 
 

For yours I would go straight in with the Salus self balancing actuators as they will control the return temps better as you have a more “leaky” house. 
 

Are you keeping Rads upstairs ..??

 

The intent is to keep the rads upstairs. Issue?

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9 minutes ago, Onoff said:

 

The intent is to keep the rads upstairs. Issue?

Nope, not an issue.... works for me.

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45 minutes ago, Onoff said:

 

The intent is to keep the rads upstairs. Issue?


Nope so you will have 2 zones, and 2 zone valves. One for rads upstairs and one for the UFH manifold supply. 
 

Decided on that thermal store yet ...?? You know you want to ..... 

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Thermal store is only really advisable if there will ( eventually ) be PV? Not great to keep a very high temp device hot all year round just to do the dishes. The bigger delta is going to be an issue, exaggerating the standing losses, and more of a concern without the intervention of PV divert.
UVC for me here ( so the target temp can be reduced as much as poss ) plus a small ‘heating buffer’ ( eg seasonal heat loss minimised ) would suit boyo better as oil prices ain’t going to go down long term. 

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