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Fisher™ Type749B Changeover Manifold Assemblies

Fisher changeover regulators switch from supply to reserve automatically. Type 749B is a manifold used with HSRL or 64SR.

Fisher automatic changeover regulators change from the supply cylinder (when gas is exhausted) to the reserve cylinder automatically. Type 749B is a large capacity changeover manifold for commercial and industrial applications. It consists of two 64 Series regulators and a Type 803 direct indicator. The assembly is used primarily in conjunction with either a Type HSRL or 64SR regulator.

Key Features

  • Large Capacity
  • UL Listed (Type 749B, Second-Stage Regulators are Listed Separately)
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