Certified Safety: Designed to meet rigorous industry standards for safety shutoff applications

ensure the barbed interfaces are seated correctly to prevent bypass leaks in your HVAC control systems

The Trane CNT1034 is an essential OEM replacement part engineered for high-limit temperature monitoring in Trane and American Standard furnace systems

The stainless steel case provides excellent corrosion resistance

Lennox 71W41 Limit Switch 323080-701 Certified Safety: Designed to meetThe Lennox 71W41 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency Lennox HVAC systems. Engineered as a STILT limit control, this L135 30F limit switch features a primary actuation point of 135F to interrupt the heating circuit during hazardous over temperature conditions. Once the plenum temperature cools to a safe 105F reset point, the switch automatically restores the circuit, ensuring continuous