this is a local sensing electrode designed for single-rod systems where the same probe performs both the spark ignition and the flame rectification functions

Non-Positional Installation: Unlike older mercury-based switches

Verify your sensor resistance values and wiring harness integrity during installation to ensure optimal communication with the furnace or air handler control circuit

this specific model (90-165) requires a 208/240V coil voltage

facilitating a clean install into 4-inch octagonal or square back boxes

Maxitrol GF60-88-A-0 Filter Els PW 17895 this is a local sensingThe Maxitrol GF60 88 A 0 Gas Filter is a high performance 1 inch NPT gas filter engineered to protect downstream components like gas regulators, automatic shut off valves, and burners from particulate contamination. Designed for versatility, this 15 PSI gas filter is a staple for veteran technicians working on residential, commercial cooking, and industrial process heating systems. Its robust cast aluminum housing contains a unique polypropylene