Natural gas conversions & propane conversion kits for generators.
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Beam Garretson
& Rebuild Kits

Garretson SD Regulator

Garretson SD Regulator Fuel Controller

Garretson SD 073-321 Demand Regulator

The Garretson SD 073-321 has been discontinued.
You have the option to replace it with the cadillac of the fuel controllers Garretson KN 039-122,
or Rebuild Your SD With The Repair Kit.
073-99 SD Repair Kit

Add To Cart


The Garretson SD Regulator is a secondary regulator designed for use with low pressure vaporized gaseous fuels. The molded silicone rubber diaphragm and square-seating molded plunger contribute to the unit's and long trouble free service.



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