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900DF-A

Deluge Valve - Pneumatic Hydraulic Actuated

  • Opens on demand to provide water flow to the fire protection sprinkler system
  • Pilot system can be hydraulically, pneumatically, or manually operated
  • Available UL-listed valve sizes: 4 in., 6 in., 8 in., and 10 in. (horizontal installation)
  • Designed for accurate control, dependable performance, and long life

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 900DF-A

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