also known as the FV-4M1-1/8

obstructed return air grilles

it provides consistent millivolt output to the safety shut-off valve

This auxiliary contact block is specifically engineered for York-pattern contactors

Carrier 48DP500623 Electrode Ignitor Els PW 17895 also known as the FV-4M1-1/8The Carrier 48DP500623 Electrode Ignitor with high temperature lead wire is a precision engineered OEM replacement spark ignitor designed for high demand gas fired applications. As a critical component in the combustion sequence, this electrode provides a consistent high voltage spark to ensure reliable ignition of natural gas or propane burners. Built to withstand the intense thermal cycles of industrial and commercial heating units, it features a