Lochinvar & A.O. Smith 100166064 Pressure Switch 321702-401 allowing the brass valve body

allowing the brass valve body to remain in the piping system for faster service

while the 3-foot capillary offers the necessary reach for flexible positioning within the cabinet

What are the symptoms of a faulty S1-024-35776-000 switch

installing this OEM-spec part is essential for maintaining the ANSI B109

The ZoneFirst PIRR is a 24Vac 4PDT Plug-In Relay engineered as a direct high-performance replacement for RR and RMABS relays

Lochinvar & A.O. Smith 100166064 Pressure Switch 321702-401 allowing the brass valve bodyThe 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