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263RS

Pressure Reducing Pilot

  • 1/2 in. NPT inlet and outlet ports and one side 1/4 in. side sensing port
  • Automatically reduces a higher upstream (inlet) pressure to a constant downstream (outlet) pressure
  • When installed in the piping circuit of an Automatic Control Valve, its throttling action causes the Main Valve to throttle open or closed accordingly
  • Valve outlet pressure can be adjusted with the top-mounted screw

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 263RS

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA