• Uses diaphragm-logic technology.
• In-line, wall, or panel mounted.
• Sharp-barb air connections.
• Molded plastic construction.Pneumatic Three-Port Selector Relay, Panel, In-Line or Wall Mount| Type | Pneumatic Three-port Selector Relay |
|---|
| Operation | Higher-of-two-pressures 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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| Maximum Safe Operating Pressure (psi) | 30 psi |
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| Maximum Safe Operating Pressure (kPa) | 205 kPa |
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| Air connections | Barb fittings 5/32 in. (4 mm) O.D. plastic tubing |
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| Operating Humidity Range (% RH) | 5 to 95% RH |
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| Mounting | Wall or In-line or panel |
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| Temperature Range (F) | 0 F to 140 F |
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| Temperature Range (C) | -18 C to +60 C |
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| Dimensions (in.) | 1 1/2 in. diameter x 1 in. deep |
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| Dimensions (mm) | 38 mm diameter x 25 mm deep |
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| Includes | 14003030-001, 1 1/2 in. Mounting Clip for Mounting relay to wall or panel |
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Product Family
Cross Reference
| Honeywell, Inc. | RP470A1003 |
| |
| Siemens Building Technologies | 243-0018 |
| Comment | Highest Pressure Relay |
|
| Manufacturer Suggested Replacements |
| Honeywell, Inc. | RP470A1003 |
| |
| Siemens Building Technologies | 243-0018 |
| Comment | Highest Pressure Relay |
|
| Manufacturer Suggested Replacements |
| Honeywell, Inc. | RP470A1003 |
| |
| Siemens Building Technologies | 243-0021 |
| Comment | Lowest Pressure Selector |
|
| Manufacturer Suggested Replacements |
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