243 Service Regulators

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Large Capacity for Big Performance

243 commercial industrial service regulators are large capacity and designed for a wide range of commercial, industrial and gas distribution applications. They are ideal for pressure factor measurement, pressure compensated metering, fixed-factor billing and more. Their smart design offers great field versatility. With a union connection between the fully interchangeable bodies and the diaphragm case, these regulators are easy to install, adjust, inspect and service in all piping arrangements.

243 commercial regulators can be found in factories, foundries, district regulator stations, commercial laundries and laundromats. These regulators are also useful in hotels and apartments, restaurants, schools, churches and hospitals. Their design works well for all types of gas-fueled equipment, too. This includes: boilers, burners, furnaces, ovens, heaters, kilns and engines.

Benefits to you

  • Installs and adjusts easily
  • Allows for pressure factor measurement, pressure compensated metering and fixed factor billing


  • Compatible with natural gas, propane, LPG, air nitrogen, etc.
  • Special material available for certain corrosive gases
  • Available with low-pressure cut-off
  • Available with internal relief valve
  • Interchangeable bodies and diaphragm-case assemblies
  • High-pressure model available
  • Pilot-operated model available


Purchase your specific model here
Download Specification Manual
Download Install Manual
Manufactured by Senus