Parker 4266-00 Valve 30067439-890 Enhanced Safety: Positive dead-end lock-up

Enhanced Safety: Positive dead-end lock-up prevents downstream over-pressurization during the off-cycle

providing the durability needed for the heating season

the HFE series expansion valve provides the bi-directional capability required for versatile heat pump and refrigeration setups

Direct Cross-Reference: Replaces Allanson 2721-668SF without kit modifications

making it an essential replacement part for maintaining consistent climate control in commercial or residential packaged units and RTUs

Parker 4266-00 Valve 30067439-890 Enhanced Safety: Positive dead-end lock-upThe Parker 4266 00 Valve is a high performance normally closed solenoid valve engineered for precision refrigerant flow control in commercial HVACR systems. Specifically designated as the R26E63M model, this valve features 3 8" ODF solder connections, ensuring a leak proof integration into the liquid or suction line. It serves as the direct R20E83 replacement valve, though technicians must note that transitioning to this updated series requires a new