Which Lennox furnace models use this gasket

The Fenwal 22-100001-050 Electrode Assembly is a critical replacement component for field technicians servicing high-efficiency heating systems and commercial burners

Can I use this as a replacement for 2-pole relays

For technicians servicing DGAM

Raypak 007834F Gasket Kit Els PW 17895 Which Lennox furnace models useThe Raypak 007834F Gasket Kit is a critical maintenance component designed specifically for heat exchanger headers in high output hydronic and pool heating systems. This kit provides an OEM grade solution for securing the interface between the heat exchanger and the header, preventing bypass leaks and pressure loss that compromise thermal efficiency. Engineering data confirms compatibility with heavy duty Raypak Hi Delta 992C 2342C series and Raypak