• Uses diaphragm-logic technology.
• In-line, wall, or panel mounted.
• Sharp-barb air connections.
• Molded plastic construction.Pneumatic Selector Repeator Relay, 2-pipe capacity thermostat, Type B controllerType | Pneumatic Three-port Selector Relay |
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Input Operating Pressure (psi) | 0 to 20 psi |
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Input Operating Pressure (kPa) | 0 to 138 kPa |
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Capacity (Cv) | 0.039 scfm at 1 psi differential (18 mL/s at 5 kPa differential) |
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Overview | Three-port relays used in HVAC systems to perform a variety of relay functions; 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. Replacement devices are a |
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