Lennox 18K69 Limit Switch Common Questions Can I use

Common Questions Can I use a 24V coil contactor to replace the DP3030B5003

forcing the heat exchanger to reach the 150°F cutout point

Designed for demanding commercial environments

Key Benefits OEM Compatibility: Designed specifically for Nordyne

the Watts 0887124 is specifically designed for the 909 relief valve series

Lennox 18K69 Limit Switch Common Questions Can I useThe Lennox 18K69 Limit Switch is a critical safety component designed for precise thermal management in Lennox electric furnaces and air handlers. This OEM replacement part, also identified as 18K6901, features an L150F L333F configuration, meaning it is set to "Open on Rise" when temperatures hit the 150F threshold and automatically resets when the system cools to 110F. For a technician in the field, this auto reset limit switch ensures the heating