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The Nordyne 669683R Expansion Valve is a critical OEM 3 Ton TXV designed specifically for R410A refrigerant systems
providing a reliable
mounting with an integrated pressure port depressor allows for direct
depending on your wiring diagram
Key Benefits for Technicians Direct OEM Compatibility: Engineered specifically as a direct replacement for 20403302
McDonnell & Miller 193-B-7B Controller Els PW 29614 The Nordyne 669683R Expansion ValveThe McDonnell & Miller 193 B 7B (Part Number 164700) is a heavy duty combination low water cut off and pump controller specifically engineered for commercial and industrial steam boiler applications. Designed to handle a maximum pressure of 150 PSI, this unit features a No. 7B proportional control switch that provides a 135 ohm potentiometer signal. This allows for precise, continuous modulation of the feed water flow rather than simple on off
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