Lennox 71W41 Limit Switch 318518-761 While the 160-185°F range is

While the 160-185°F range is common

Direct HVAC Replacement: Engineered to replace the LTM0243N-1 without mounting modifications

As a variable speed terminal board

Always use the manufacturer-specified conversion kit when switching fuel sources to maintain safe manifold pressures

How do I resolve a buzzing or chattering sound

Lennox 71W41 Limit Switch 318518-761 While the 160-185°F range isThe 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