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the McDonnell & Miller 165900 provides the LWCO functionality required to protect the pressure vessel from dry-fire conditions
ensuring a seamless interface with existing 24V control circuits
This versatility allows contractors to integrate it into complex HVAC control systems
Key Benefits Direct OEM Compatibility: Engineered as a drop-in replacement for York part number 031-01095-002
supporting direct motor control for smaller compressors
Lochinvar & A.O. Smith 100208631 Wire 319847-401 the McDonnell & Miller 165900When you're out on a call for Lochinvar Knight or A. O. Smith high efficiency boilers, a faulty Lochinvar 100208631 can shut down the whole system. This replacement wiring harness is engineered specifically for flame sensor electrode circuits in FB and OF series units. As a veteran tech, you know that brittle or corroded HVAC wiring leads to intermittent flame signal loss (microamps), causing those frustrating nuisance lockouts. This OEM harness
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