This OEM water heater part features a standard 3/4-inch NPT inlet and outlet configuration with an integrated high-limit thermistor connection

Using a non-OEM board can cause "communication error" codes and potentially damage the compressor or DC fan motor

Key Benefits for the Jobsite: Broad Compatibility: Functions seamlessly as a differential air pressure switch for monitoring filter status or fan performance

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France Transformer 28219 Transformer R-134A This OEM water heater partThe France Transformer 28219 is a heavy duty oil burner ignition transformer engineered for high performance combustion systems. This 5LAY 15 model features a robust 120V primary and 10000V secondary output, providing the high intensity spark required for reliable ignition in Carlin 99, 100, and 101 burner series. Designed as a direct service replacement for Webster 313 28AB85, this transformer utilizes a specialized spring clip contact HV terminal