while the "SV" version (45-245) features a shorter probe designed specifically for installation in a standard 3/4" black iron tee
providing a vital fail-safe against heat exchanger damage
It is important for technicians to note that this unit is a pressure vessel only and requires a compatible Parker Gold Ring coil (Class H recommended) and a 1 PSI minimum pressure differential for proper pilot operation
the Emerson 066154 resists corrosion in demanding environments
This unit serves as the direct replacement for the Fasco 357
Lennox Y5350 Ignitor Kit 326058-755 while the "SV" version (45-245)For field technicians and contractors maintaining high efficiency heating systems, the Lennox Y5350 Ignitor Kit is a critical OEM replacement component designed for precise combustion control. This kit, often identified by the manufacturing part number 550002190, is engineered specifically for Lennox GWM wall mount gas fired water boilers, including models GWM050, GWM075, and GWM100. As a standard voltage 200 240V base ignitor, it eliminates the need