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RP971

Pneumatic relay produces a modulating pressure output, and controls pneumatic valve or damper actuators in sequence from a single thermostat. Replacements are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

Pneumatic Four Port Ratio Relay

RP971A1007/U

Wall, In-Line or panel mounted Pneumatic Four Port Ratio Relay

Pneumatic Four Port Ratio Relay

RP971A1015/U

Wall, In-Line or panel mounted Pneumatic Four Port Ratio Relay

Pneumatic Four Port Ratio Relay

RP971A1023/U

Wall, In-Line or panel mounted Pneumatic Four Port Ratio Relay

Pneumatic Four Port Ratio Relay

RP971A1031/U

Wall, In-Line or panel mounted Pneumatic Four Port Ratio Relay