This thermostat I have has a mechanical relay. But.... When closed is a closed circuit or dead short, fine that works for me. BUT when it's open it still has 20 ohms and will not shut off a circulator. Why in hell do they make it have 20 ohms when it's open?????? It should be infinity.
- posted
13 years ago
-- LSMFT Simple job, assist the assistant of the physicist.