Whether you are replacing an existing unit or building out a new terminal unit loop

Direct OEM Compatibility: Precise mechanical fit for Lennox 89M85 applications

Always verify the shell model before installation to ensure a proper seal

5°F differential

verify if additional enclosing tube seals are required for your specific model year

Lochinvar & A.O. Smith 100006169 Electrode 326058-757 Whether you are replacing anThe Lochinvar and A. O. Smith 100006169 Electrode is the direct performance grade replacement for the legacy 024221 000 electrode. Designed for precision gas water heater ignition, this component ensures reliable flame sensing and spark delivery in high demand commercial and residential systems. As a veteran preferred HVAC replacement part, it features an upgraded ceramic insulator and high alloy conductor to withstand the thermal stress of constant