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This is a direct physical and electrical match
The Honeywell 23176CF Potentiometer is a field-replaceable 135-ohm assembly engineered for Honeywell L91B and L91D series Proportioning Pressuretrol½ Controllers
the 50A65-5165 supports twinning applications provided the "TWIN" terminal is utilized on both boards for synchronized blower operation
extending the operational lifespan of your critical components
which is often necessary when adding smart thermostats or high-draw relays to an existing system
Weil McLain 510-811-641 Valve 30067439-890 This is a direct physicalThe Weil McLain 510 811 641 Combination Gas Control Valve is a critical replacement component engineered for high efficiency hydronic heating systems. This 24V gas valve features a 3 4" x 1" NPT connection, specifically designed for thermopile only ignition systems where standing pilot reliability is paramount. Built for precision manifold pressure regulation, this Honeywell sourced gas valve ensures stable BTU input and consistent flame rectification
