Combination Low Water Cut Off and Pump Controller with Two Snap Acting SPDT Switch for Steam Boilers with 250 PSI Max Pressure and British Standard Pipe Thread Connections (Part Number 165850)

Combination Low Water Cut Off and Pump Controller with Two Snap Acting Manual Reset SPDT Switch for Steam Boilers with 250 PSI Max Pressure (Part Number 165900)

Combination Low Water Cut Off and Pump Controller with Two Snap Acting Manual Reset SPDT Switch for Steam Boilers with 250 PSI Max Pressure Head Mechanism Only (Part Number 166000)

Air Flow Switch with Snap Acting SPDT Switch (Part Number 122800)

Air Flow Switch for Low Velocity with Snap Acting SPDT Switch (Part Number 123200)

Air Flow Switch for Medium Velocity with Snap Acting SPDT Switch (Part Number 123400)

Air Flow Switch with Snap Acting SPDT Switch and Corrosion Resistance Coating (Part Number 122920)