Lochinvar & A.O. Smith 100166145 Pressure Switch R-410A ensuring a drop-in fit without

ensuring a drop-in fit without the need for field modifications

making it the preferred choice for contractors who prioritize HVAC electrical component reliability and reduced callbacks during peak service seasons

the materials used in the Grade 5 element are compatible with most standard and synthetic compressor lubricants

This unit features a high-accuracy 1k ohm platinum RTD (Resistance Temperature Detector) element

Lochinvar & A.O. Smith 100166145 Pressure Switch R-410A ensuring a drop-in fit withoutThe Lochinvar and A. O. Smith 100166145 Pressure Switch is a critical safety component designed for precise low gas pressure monitoring in high efficiency commercial boilers and water heaters. Engineered to meet the rigorous demands of HVACR systems, this manual reset (M R) switch operates within a 2 14" W. C. (water column) range, ensuring the burner circuit interrupts if supply pressure drops below safe operational thresholds. Cross referenced as