Description
The Honeywell RP904A-1009-3 is a pneumatic relay designed for use in HVAC and industrial pneumatic control systems. It functions as a Direct Grad-U-Relay, amplifying and transmitting air pressure signals to control downstream devices. This unit is used to improve signal accuracy and response in building automation and process control applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Honeywell |
| Category |
Pneumatics |
| Part Number |
RP904A-1009-3 |
| Subcategory |
Pneumatic Control |
| Product Type |
Pneumatic Relay |
| Series |
RP904A |
| Relay Type |
Direct Grad-U-Relay |
| Control Medium |
Compressed Air |
| Application |
HVAC and Industrial Pneumatic Control Systems |
| Mounting Type |
Panel / Control Assembly Mount |
| Function |
Pneumatic Signal Amplification and Transmission |
| Weight |
3.00 lbs |
Information About RP904A-1009-3
The RP904A-1009-3 is part of Honeywell’s RP904A series of pneumatic relays engineered for proportional pressure control. It is designed to receive a control air signal and provide a corresponding output pressure with stable and repeatable performance. The device is typically installed within pneumatic control panels or field-mounted enclosures as part of a larger air control network. Its construction supports reliable operation in commercial HVAC systems where consistent air signal transmission is required.
Key Features:
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Direct Grad-U-Relay Design: Provides proportional pneumatic signal transmission and amplification.
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Pneumatic Control Function: Transfers and stabilizes air pressure signals within control systems.
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HVAC System Integration: Suitable for building automation and environmental control networks.
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Panel or Field Mounting: Designed for installation within pneumatic control assemblies.
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Signal Amplification Capability: Improves response and accuracy of downstream actuators.
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Industrial Application Use: Compatible with commercial and industrial pneumatic systems.
The RP904A-1009-3 delivers the reliability and precision required for stable pneumatic signal control in HVAC automation systems.
