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RP470

Three-port relays are used in HVAC systems, to perform a variety of relay functions, such as; transmit the higher of two input signals, lock out one pressure signal when a second signal is higher, or transmit the lower of two pressure signals.

Pneumatic Selector Relay

RP470A1003/U

Pneumatic Selector Relay, transmits higher of two input pressures

Pneumatic  Selector Relay

RP470B1001/U

Pneumatic selector relay for lockout, repeater and input pressure applications