we strongly recommend verifying the specific Lennox part number in your unit’s service manual before installation

Because it is normally closed

This low side compound gauge is a direct replacement part

This turbulence forces more of the gas to make contact with the tube walls

Can this cover withstand corrosive industrial environments

Lochinvar & A.O. Smith 100165929 Ignitor we strongly recommend verifying theThe Lochinvar & A. O. Smith 100165929 Ignitor is a critical genuine OEM replacement component engineered for high performance ignition cycles in residential and commercial boilers and water heaters. Also identified by the cross reference PLT3021, this assembly features a premium ceramic insulator and a high temperature silicon nitride ignitor element designed to withstand rapid thermal cycling without premature failure. The 100165929 ignitor with