ASCO S262 Series Gas Vent Valve

Brand: ASCO

The ASCO S262 Series is a line of fuel gas valves for venting gas combustion systems in heating equipment. If there is a leak when the system is off, the gas is vented through the valve. The 2-way normally open valve has a die-cast aluminum body and a zero-differential piloted diaphragm.
  • Wide range of flow capacities to meet most burner size requirements
  • Fast opening time of less than 1 second
  • Valves provided with pipe tap(s) with plug for routine testing
  • Suitable for ambient temperatures up to 175° F



Body Material

  • Aluminum


  • 2-Way - 2/2 Normally Open

Maximum Differential, Maximum Operating Pressure

  • Vacuum to 150 psig


  • Natural Gas

Operating Environment

  • Indoor

Pipe / Port Size

  • 1/2”, 3/8”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2”, 3”

Port Type

  • Female NPT

Standards & Regulations

  • CSA, Typical 1, UL

Valve Actuation

  • Solenoid


  • 24 AC, 120 AC, 230 AC


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