985GS

Stainless Steel Dual Chamber Deep Well Pump Control Valve

  • Minimizes the surges associated with the starting and stopping of deep well pumps
  • Valve opens at an adjustable rate upon pump start-up and closes at an adjustable rate upon pump shut-off
  • Installed on branch of tee off main pumping header
  • Lightweight Stainless Steel construction reduces corrosion, diaphragm wear, and labor frequency and costs

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) 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