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This is the standard configuration for heating applications where the circuit must break once the set point is reached
including the UDAS and UDAP heater series
extending the service life of the unit
What causes pressure pulsation or 'hunting' with this model
Rheem-Ruud 61-21922-02 Expansion Valve 30067439-890 This is the standard configurationThe Rheem Ruud 61 21922 02 Expansion Valve is a critical OEM flow control component engineered for 3 ton air conditioning systems utilizing R22 refrigerant. Designed for high precision metering, this thermal expansion valve (TXV) modulates refrigerant flow into the evaporator, maintaining an optimal superheat to maximize heat transfer efficiency and protect the compressor from liquid slugging. It features a 3 8" x 1 2" sweat connection for reliable,
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