RP971A ratio relay are 4-port non-bleed pneumatic relays that produce a modulating pressure output proportional to pilot input changes. They are used to control pneumatic valves or damper actuators in sequence from a single thermostat.Features &"|Ratio Relay: 3 to 13psi: 5psi Pilot Input Span: Wall- or Panel-Mount
- Maximum Operating Pressure : 13psi; 0.89bar
- Brand : Honeywell
- Minimum Operating Pressure : 3psi; 0.2bar
- Overall Depth : 66.675mm; 2.625in
- Features & Benefits : Wall Mount
