solenoid or zone valves

JOE_99

Installing BB water heat and want to put separate thermostats in each bed room (kids gone and we use rooms only a few hrs a day).I plan to use 3/4 copper of Manifold (will have own pump).Will SOLENOID's or ZONE VALVES BE BEST(noise a problem) be better to control each room from the one 3/4 feed.Will use 1/2 after solenoid or zone valve to each room. About 75-100 feet(including BB heat and pipe) for each home run from 3/4 pipe.Any help welcome

Ross_7

Zone valves

I would not even consider using solenoid valves. They are a quick closing valve, with considerable amounts of water hammer. Zone valves on the other hand, are slow closing valves, timing depending on manufacturer. JMHO.
Ross

Ted_9

Danfoss

Danfoss make nice non-electric valves that you can put inline with the BB to each room. If you do this to every room, you should install a pressure differential by pass of of the supply loop so the you won't dead head the circ.

You should place one t-stat in a comfort zone.

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