Overview
A three-port relay averages the signals from two thermostats to control a single device such as a heating coil valve for a multizone unit. Replacements available for Johnson, Powers, Robertshaw, Barber-Colman, and olderHoneywell models
Features
In-line, wall or panel mounted.Sharp-barb air connections.Molded plastic construction.
- Application : Pneumatic Three-Port Averaging Relay
- Airflow Usage : 0.007 scfm (3.303 mL/s) maximum
- Dimensions (in.) : 1 1/2 in. high x 7/8 in. wide x 15/16 in. deep
- Dimensions (mm) : 38 mm high x 22 mm wide x 24 mm deep
- Maximum Safe Operating Pressure (psi) : 30 psi, maximum
- Maximum Safe Operating Pressure (kPa) : 205 kPa, maximum
- Temperature Range (F) : 32 F to 125 F
- Temperature Range (C) : 0 C to 52 C
- Mounting : Wall or In-line or panel
- Operating Humidity Range (% RH) : 5 to 95% RH
- Pressure Range (psi) : Input Operating--3 to 15 psi, Output Operating --3 to 15 psi
- Pressure Range (kPa) : Input Operating--21 to 103 kPa, Output Operating --21 to 103 kPa
- Air connections : Barb fittings 5/32 in. (4 mm) O.D. plastic tubing
