Greenheck 464540 Gas Valve 320788-704 and S2020-LH series steam humidifiers
Platform notes & fabric story
Description
Greenheck 464540 Gas Valve 320788 704 and S2020 LH series steam humidifiers and S2020 LH series steam humidifiers The SPDT (Single Pole Double Throw) contact allows the switch to simultaneously break a circuit to a burner while providing a signal to an alarm or BMS when air pressure drops below the setpoint