providing a reliable switching mechanism for blower cycles and heater sequencers

As a safety limit switch

When troubleshooting a pilot that is too large or exhibiting poor combustion

Q624 and Q652 Compatibility: Specifically matched for Honeywell spark generators to ensure impedance and terminal fitment meet factory specifications

Simplified Integration: Compact footprint and standard terminal connections allow for fast installation in tight cabinet spaces

White-Rodgers 3L09-4 Limit Switch providing a reliable switching mechanismThe White Rodgers 3L09 4 Limit Switch is a 1 2 inch bimetal disc control engineered for critical thermal protection in residential furnaces and air handling units. Designed for high speed contact separation, this SPST board mount limit switch functions on a fixed thermal profile, featuring a 150 degree F open temperature and a 130 degree F close temperature. With a 3. 12 inch insertion length, this plenum high limit control ensures the sensing element