Kidde-Fenwal WK-872450-000


Discharge Head, Plain Nut

Availability: Estimated 10 days

Condition: New
Brand: Kidde-Fenwal
Status: Active
SKU: 70139
Manufacturer Part #: WK-872450-000


The plain nut discharge head attaches to the discharge valve on the Kidde High Pressure Carbon Dioxide (CO2) cylinder assembly secured at the project site. The discharge head uses CO2 pressure to open the discharge valve. Pressure may be applied from the cylinder, when fitting a control head to the discharge valve, or applied from the manifold connection. This feature allows the plain nut discharge head to be fitted to either a master cylinder(s), which are fitted with a control head, or each of the remaining manifold cylinders. Additionally, this feature simplifies installation and periodic service as no additional actuation hose/tubing is required between each cylinder.

Additional information

Weight 0.2 lbs
Dimensions 3.81 × 3.81 × 3.94 in





Unit of Measurement

EA (Each)

Production Status



  • Forged brass parts
  • Integral check feature
  • Swivel Connection onto Discharge Valve (1/2″ or 5/8″)
  • 0°F (-18°C) to 130°F (55°C) agency temperature range
  • Underwriters’ Laboratories Listed – File Number EX923
  • Factory Mutual Approved – Standard 5420
  • United States Coast Guard Approved
  • Various marine Class Society Approvals


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HPCO2 Component Description Discharge Head, Plain Nut


Kidde - Data Sheet