Lochinvar & A.O. Smith 100166108 Pressure Switch 320720-756 making it a reliable direct

making it a reliable direct replacement for failing switches in residential heating units

Built as an identical high-performance alternative to the Sporlan C-053

Compact Form Factor: Standard 5/8" diameter allows for installation in tight mechanical assemblies

with a maximum operating pressure differential of 150 PSI for water and air

The intuitive knob adjustment and integrated Off-Auto selector switch allow for straightforward manual override and system management in industrial or mechanical room environments

Lochinvar & A.O. Smith 100166108 Pressure Switch 320720-756 making it a reliable directProfessionals in the field know that the Lochinvar & A. O. Smith 100166108 Pressure Switch is a critical safety component designed for precise draft proving in high efficiency condensing boilers and commercial water heaters. This OEM replacement part is engineered to monitor the negative pressure of the inducer motor, ensuring the venting system is clear of obstructions before allowing the ignition sequence to proceed. When a blocked flue or failed