I'm converting my loft to create a couple of extra rooms and about to start thinking about plumbing in some central heating.
I currently have a combi boiler whose outlet/inlet splits for ground floor and first floor, but isn't zoned. I am planning to splitt three ways at the boiler to take the hot water up to the loft, then splitting again to do the two rooms.
I'd like to end up the four zones as it makes sense to add zone valves while I'm cutting the existing pipes and the new loft needs to be two zones as there's a small room which will be used as an office during the day, so it'll be neat to be able to leave the house cold and have a toasty work space.
I've not done much of this before, so wanted to run my plan by some experts and check I'm doing it right and not missing anything.....
So my plan is 4 zone valves on the returns, two at the boiler for the ground floor and first floor, then two in the loft on the returns to the split in the loft. Does that sound right? And do I need to retain a bypass circuit? If so, how is that normally done?
Any recommendations for zone valves? I would need two for 22mm pipe and two for 15mm pipe.
I currently have a combi boiler whose outlet/inlet splits for ground floor and first floor, but isn't zoned. I am planning to splitt three ways at the boiler to take the hot water up to the loft, then splitting again to do the two rooms.
I'd like to end up the four zones as it makes sense to add zone valves while I'm cutting the existing pipes and the new loft needs to be two zones as there's a small room which will be used as an office during the day, so it'll be neat to be able to leave the house cold and have a toasty work space.
I've not done much of this before, so wanted to run my plan by some experts and check I'm doing it right and not missing anything.....
So my plan is 4 zone valves on the returns, two at the boiler for the ground floor and first floor, then two in the loft on the returns to the split in the loft. Does that sound right? And do I need to retain a bypass circuit? If so, how is that normally done?
Any recommendations for zone valves? I would need two for 22mm pipe and two for 15mm pipe.