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Heat cycle reversed, what thermostat do I need?
The valve in my radiator is open under a no power condition. That is the heat is on, it is open and flows hot water, when no power is supplied to the valve actuator. This is normal for radiator valves apparently.
My problem is my 2 wire wall thermostat makes a connection when under temp and opens the connection when over temp. Exactly the opposite of what I want/need. The result of this is the heat is on when the thermostat is over the set point and off when under the set point. What wall thermostat do I need to correct this? I need a NC (normally closed model). Problem is manufacturers do not label them or identify this in specs.