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making it a reliable direct replacement for failing switches in residential heating units
preventing nuisance trips of the limit switches
As a SPST (Single Pole Single Throw) switch
Durable Construction: Heavy-duty materials resist stripping and deformation during routine maintenance and tightening
Built as an identical high-performance alternative to the Sporlan C-053
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