York S1-373-13300-604 Limit Switch Els PW 17895 Leak Prevention: High-tensile elastomer construction

Leak Prevention: High-tensile elastomer construction prevents air leakage

Compatible with high-performance Schneider Electric pneumatic controls and legacy Barber Colman thermostats

Common Questions Is the ETD-1 compatible with all Maxitrol TD series selectors

To improve system reliability

ensuring the 800 series or 900 series unit returns to peak operating efficiency immediately

York S1-373-13300-604 Limit Switch Els PW 17895 Leak Prevention: High-tensile elastomer constructionFor service technicians managing 3 to 6 ton rooftop units, the York S1 373 13300 604 Limit Switch is a critical safety component designed for high limit protection. This HVAC auto reset limit switch is engineered to monitor primary heat exchanger temperatures, featuring a precise 105 165F temperature range. When discharge temperatures exceed the 165F threshold, the switch opens the control circuit to prevent thermal overloading, automatically