Neptronic SHS80-300 Humidistat 321894-708 It detects whether electrical equipment

It detects whether electrical equipment is operating by sensing current flow

Fail-Safe Operation: Automatic reset logic ensures heat restoration immediately after a water loss or power event is resolved

making it a staple for boiler feed

Broad Compatibility: Specifically engineered for International Environmental (IEC) fan coil systems and air handlers

this original equipment manufacturer (OEM) part ensures the precise spark gap and alignment required for reliable combustion

Neptronic SHS80-300 Humidistat 321894-708 It detects whether electrical equipmentThe Neptronic SHS80 300 serves as a high precision duct mount humidity high limit switch, engineered specifically for monitoring and controlling relative humidity in supply or return air ducts. This dual function device operates as a 0 10 Vdc humidity transmitter while providing critical on off high limit protection for modulating humidifiers. Designed with a robust ABS plastic enclosure, it features an on board setpoint adjustment range of 20% to 90%