In hydronic heating, to control where heated water goes ... Hence, the need for three wires to the thermostat: open, close, and common. There are several manufacturers who make this type of zone valve ...

At times, it will be necessary to make a replacement by using a changeover valve or powerhead ... Raise the setpoint of the zone thermostat above room temperature to call for heat. 2. Observe all ...

It seems like it was only yesterday that most smart thermostat makers were content with their simple solutions, leaving the more complicated heating zone control ... radiator valves to its product ...

Smart radiator valves let you control the temperature in individual rooms when your ... You’ll sometimes see smart radiator valves called smart radiator thermostats. These aren't the same as smart ...