Lennox 42J07 Limit Switch As a veteran-grade general purpose

As a veteran-grade general purpose limit switch

this sensor features a robust dual-thermistor design contained within a stainless steel head to ensure high-precision temperature monitoring and reliable water level detection

This allows for fine-tuning temperature swings to match the specific thermal characteristics of various furnace types

When you are out on a service call and finding an open circuit on a Heil Quaker ICP 1172533 Ignitor

Lennox 42J07 Limit Switch As a veteran-grade general purposeAs an HVAC technician, you know that a reliable Lennox 42J07 Limit Switch is non negotiable for system safety and performance. This genuine OEM replacement part is an auto reset limit switch engineered to monitor internal plenum temperatures in a variety of Lennox residential and commercial units. Specifically designed as an L220 40F limit switch, it features a fixed temperature setting that triggers the circuit at a high limit of 220F and resets once