it is a safety valve designed to "pop" fully open once the 15 PSI set point is reached

The integration of Teflon stem packing and an EPDM glass seal ensures superior leak resistance and chemical compatibility across a wide range of media

this switch is rated for 13A resistive and 2

while single-acting operation is ideal for solid fuels like wood or coal

or visible bulging in the associated run capacitor

Lochinvar & A.O. Smith 100265150 Ignitor 318820-201 it is a safety valveThe Lochinvar & A. O. Smith 100265150 Ignitor is a critical OEM replacement component engineered specifically for high output FB 1501 2001 gas boiler models. As a veteran grade hot surface igniter (HSI), this part provides the consistent electrical discharge required to initiate combustion within the burner assembly. This specific Lochinvar 100265150 kit includes the necessary high temperature gasket to ensure a pressurized seal, preventing flue gas