Lochinvar Igniter [Boilers/Heaters, w/ Gasket] (100165919) feherguard and this Darlly cartridge is

and this Darlly cartridge is designed for compatible applications referencing FC-1003

Aqua Creek Linak remote control

Choosing the correct Waterway union helps keep the connection cleaner and easier to service in the future

Waterway top mount skimmer and skim filter basket

Lochinvar Igniter [Boilers/Heaters, w/ Gasket] (100165919) feherguard and this Darlly cartridge isThe Lochinvar igniter is designed for compatible boiler and heater applications where the ignition component needs replacement. An igniter is useful because it helps initiate burner operation, supporting dependable startup and more consistent equipment performance. This replacement is especially useful when the original igniter is cracked, weak, damaged, or no longer producing proper ignition. Including the gasket helps support cleaner installation