This 36-inch HVAC replacement part is engineered with a straight boot configuration to ensure a secure

Secure Sealing: Features a standard 1/2" NPT thread to ensure a leak-proof fit in industrial and residential boilers

the 240009031 includes the ignitor-sensor and 43-inch pre-attached leads

significantly reducing intermittent burner lockouts and "no heat" calls

the Reznor 101889 Pilot Light is the essential OEM replacement indicator for maintainance and troubleshooting of Reznor unit heaters

Sterling J11R00306-003 Limit Switch Els PW 17895 This 36-inch HVAC replacement partThe Sterling J11R00306 003 Limit Switch is a critical safety component designed for precise thermal monitoring in Sterling gas fired unit heaters. This automatic reset limit control features a temperature range of 180 220F, ensuring the heat exchanger is protected against overheating conditions caused by airflow obstructions or blower failure. Engineered for durability in commercial HVAC environments, this high limit safety switch integrates