Description
The Honeywell RP971A1015 is a high-quality 4‑port, non-bleed pneumatic ratio relay that delivers a modulating pressure output in direct proportion to changes in pilot input pressure. Ideal for orchestrating the sequential operation of pneumatic valves or damper actuators—especially from a single thermostat—this relay ensures reliable and accurate control across HVAC zones.
Features:
- Adjustable pilot start point pressures.
- Two pilot pressure spans available.
- Four sharp-barb air connections.
- Molded plastic construction with neoprene.
- Mounting clip provided.
