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The Weil McLain 511-624-511 is a precise differential pressure switch engineered for HE and HE II Series 3
"thumping" noises during the ramp-up phase
Its robust construction handles high-amperage loads
The external equalizer line must be connected to the suction line downstream of the sensing bulb
Amana-Goodman 0151R00071SP Reversing Valve 30067439-890 The Weil McLain 511-624-511 isThe Amana Goodman 0151R00071SP Reversing Valve is a direct OEM replacement designed to manage refrigerant flow direction in heat pump systems. This 24V reversing valve features a 1 2" discharge (inlet) and a 7 8" suction (outlet) connection, ensuring precise changeover between heating and cooling cycles. As a veteran grade HVAC replacement part, the 0151R00071SP is the current updated version for legacy part numbers 0151M00021S and 0151M00021SP. Built
