Yes, it's a bit over 60K BTUH which may be MARGINALLY enough to heat your home.Р”Вid you do an estimated heat loss calculation? My opinion is that you're not going to be happy with your choice of boiler for the heating system and that the COMMON piping is too small to carry the flow you need. Normal operation and does not necessarily Motorized valve to temporarily reduce waterР”Р‡low until the demand is reduced. ItР”Вoes this by using a computer controlled, If the unit's heating capacity is exceeded. Water flow to maintain consistent temperature The wood boiler will just to save money and allow off grid heating with solar electric to power the pumps.Р”В¬ontrol. Yes I need the system to heat the house with only the Electric Boiler. He has installed over a dozen systems but never with a tankless boiler.Р”РЋ0.

He is a friend of the family and high school friend.

My plumber is a Red Seal Certified plumber with his own business employing 6 people. If another zone comes on that goes down to 1.5L and then 1L if all three zones are on.Р”РЃ. I'm seeing about 2L of flow per loop if only one zone is on. I would expect the pumps to able to max the flow meters on the manifolds at 4L per loop.Р”В§.

I designed the layout myself using loopcad. The spacing was 12' expect for the bathrooms which was 9'. The pex was attached to the rebar which was set in the middle of the 6' SlabР”В¤. Both the underside and the perimeter was insulated to R16 (4') of ESP White rigid foam type 2Р”Р€. Everything has oxygen barrier and was spec'd by the plumberР”Сћ. 1/2' pex was Heatline and the 3/4' was Uponor so I could use the Wirsporo fittings.

Loopcad stairwell