Optimized 24-Inch Length: Provides ample reach for standard burner assemblies while ensuring the tip remains correctly positioned in the pilot flame

use the included regulator cover plate

this 150F M/R Limit Switch acts as a primary fail-safe by opening the electrical circuit when ambient heat reaches the 150°F threshold

Experienced HVAC contractors recognize the Lennox 66J78 Limit Switch as a critical safety component for maintaining furnace integrity and preventing heat exchanger damage

It features an adjustable 12" WC to 50 PSI pressure range and a field-tunable 5 to 35 PSI differential

International Environmental 71159923 Actuator Els PW 17895 Optimized 24-Inch Length: Provides ampleThe International Environmental 71159923 Actuator is a high performance, 277V N C 2 position actuator engineered specifically for fan coil units and demanding HVAC applications. This high temperature actuator is the direct OEM replacement for the Erie AG14T060E1, ensuring a drop in fit with no field modifications required. Designed for heavy duty service, it features a normally closed (N C) configuration that provides fail safe operation by returning