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Maintenance-Free Seals: Features high-grade RTFE seats and stem packing with a silicone rubber relief seat for leak-free operation under high-temperature cycling
matched with a 33-inch conduit length and 40-inch lead wires for versatile field installation
Facilitates Barber Colman valve compatibility with a wide range of current-generation electronic actuators
Utilizing Source1 genuine parts maintains the original integrity of the heating system
it will not close the circuit automatically once the pressure drops
Johnson Controls P170AA-400 Pressure Control Els PW 17895 Maintenance-Free Seals: Features high-grade RTFEThe Johnson Controls P170AA 400 is a high performance high pressure cutout control designed for heavy duty commercial refrigeration and HVAC applications. This SPST pressure switch features an "Open Low" action, making it a standard choice for condenser fan cycling control and high pressure system protection. Built with a rugged NEMA 1 all steel enclosure, the P170AA 400 provides reliable operation for systems utilizing non corrosive refrigerants. It