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thanks for all the help guys, it clear now, as I will need to expand zones at a later date I think I'll look into something bespoke and made specifically for our house

Hi the house is 3400 sqft with a further 600 upstairs, im only doing half the house at the minute 8 zones. As many of the rooms wont be occupied I was using zoned heating to reduce the heating output. Some of the rooms will have other sources of heat, for instance the kitchen living room is open...

thanks Mick which controls/Thermotstats would you suggest?

Thanks for that, I havnt bought anything yet so I change things, i just need to ensure I order the right parts, so far: Ecotec plus system boiler 637 Unistor cylinder 310 ltr 3 Zones will have Thermaskirt rads 3 Zones will have ordinary rads 2 zones will have towel rads (Bathrooms)...

tnx doitall, so do the external controls open and close the valves on the manifold ? are they connected directly to electric actuators or a control box first? and if so would the Vaillant 360 and vr65 controls do for this? Cant get through to Vaillant on the phone!

Hi Need some help please, Can anyone tell me whether Vaillant controls can be used for a zoned system? or which controls are best I have 8 zones going back to a manifold, a 637 boiler and 310 unistor tank. Some advice would be really appreciated

Thanks DOITAIL, that looks like a work of art!! put my plumber to shame!! I need to order the Vaillant boiler, tank and controls - Im just not sure whether the vailant controls are suitable. All the Zones are on a manifold like an UFH system, I presume all the zone stats are wired to a...

Hi new to this so apologies in advance , I am trying to spec the heating system for our new build, we would like to put in the following: 1) 8 zone heating system (Expandable in future) 2) some of the zones will use "Thermaskirt" skirting rads and some will use ordinary rads 3) Vaillant...