this Style 612717 sensor reaches deep into the airstream to deliver rapid thermal response times

this blue adjustment spring allows for an outlet pressure range of 5 to 12 inches Water Column (WC)

making it a standard in every veteran technician’s van

Durable brass construction provides long-term reliability against manifold pressure fluctuations

acting as a critical failsafe by detecting flame rollout or excessive heat buildup near the burner assembly

York S1-025-30265-700 Limit Switch this Style 612717 sensor reachesThe York S1 025 30265 700 Limit Switch is a critical safety component designed for precise thermal regulation in residential and light commercial HVAC systems. As an OEM replacement part, this auto reset limit switch is engineered to monitor heat exchanger temperatures, triggering a circuit break if internal cabinet conditions exceed safe operating thresholds. The S1 025 30265 700 is technically identical to S1 2702 317, providing a direct cross