Lennox 73K20 Limit Switch 321894-708 It is recommended to maintain

It is recommended to maintain the designed piping diameter for 2-stage regulation

Simplified Installation: Includes a universal mounting bracket and pre-terminated leads to minimize time on the job site

this ProTech dual capacitor is engineered to meet UL 810 safety standards with a 5

Environmental Protection: IP67-rated enclosure allows for installation in wash-down environments or high-humidity mechanical spaces

This specific SKU typically refers to the motor and fan assembly

Lennox 73K20 Limit Switch 321894-708 It is recommended to maintainThe Lennox 73K20 Limit Switch is a critical safety component designed for furnace high limit protection and temperature regulation in residential HVAC systems. As an OEM Lennox replacement part, this switch features a 3 inch insertion depth and operates on a 130 160F automatic reset logic. It is engineered to monitor heat exchanger temperatures, maintaining a normally closed circuit that opens upon reaching the 160F high limit threshold to prevent