product id: 103870
The Fisher 749B changeover manifold assembly consists of two 64 series regulators and a 803 series direct indicator. The assembly is used primarily for large capacity for commercial and industrial applications, and in conjunction with either an HSR or 64SR regulator.
This unit is intended for use with second-stage regulators and/or separate relief devices which provide overpressure protection required by NFPA 58. Capacity of all changeover manifolds is dependent on the size of the second-stage regulator with which they are used. If the manifold is used as a final-stage (pounds-to-pounds), a relief valve is required in the downstream system. WARNING: Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and/or fire causing property damage and personal injury or death.
Fisher equipment must be installed, operated and maintained in accordance with Federal, state, and local codes and Fisher instructions. Only personnel trained in the proper procedures, codes, standards and regulations of the LP-gas industry should install and service this equipment.
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