Lennox 74N47 HSI Ignitor Els PW 17895 Its universal mounting base and

Its universal mounting base and compact footprint allow for seamless integration into existing control boxes

Key Benefits Universal Compatibility: Fully interchangeable with the 21-104 diaphragm

What type of refrigerant oil is this drier compatible with

suitable for freezers and high-temp glass display cases

The manual reset feature ensures that technicians can investigate the root cause of high-pressure events before the system resumes operation

Lennox 74N47 HSI Ignitor Els PW 17895 Its universal mounting base andThe Lennox 74N47 HSI Ignitor is a high performance, OEM grade hot surface ignitor specifically engineered for precision ignition in Lennox gas furnaces and condensing water boilers, including GWB9 series models. As a veteran technician knows, maintaining reliable combustion starts with a fast acting 120V element. This silicon carbide ignitor provides the necessary thermal mass to reach ignition temperatures rapidly, ensuring the gas valve opens to a