Lochinvar & A.O. Smith 100166064 Pressure Switch 318172-701 This single-piece solid Hytrel insert

This single-piece solid Hytrel insert is specifically designed for size 6 Sure-Flex Plus couplers

The remote dial is easily installed on any standard wall surface

Optimized Flame Distribution: Improved port geometry facilitates a uniform flame

meaning this is a simple on/off switch that closes the circuit once the -1

Designed for high-altitude applications up to 4500 feet

Lochinvar & A.O. Smith 100166064 Pressure Switch 318172-701 This single-piece solid Hytrel insertThe Lochinvar & A. O. Smith 100166064 Pressure Switch is a critical safety component engineered for precise airflow monitoring in high efficiency water heaters and condensing boilers. Designed to prove the inducer motor draft before the ignition sequence begins, this genuine OEM pressure switch prevents the burner from firing if unsafe venting conditions, such as flue blockages or intake restrictions, are detected. This mechanical to electrical