Dormont R48N42-0306-3.5 Natural Gas Pressure Regulator 3/4" FPT 1/2 PSI

A gas pressure control component used in commercial cooking equipment is designed to reduce and stabilize incoming natural gas pressure for safe burner operation. It features a 3/4" female pipe thread connection on both inlet and outlet sides, allowing easy integration with standard gas line setups. The unit operates within a 3"–6" water column range and is preset at 1/2 PSI, helping maintain a steady and controlled fuel supply during cooking use. With a capacity of up to 250,000 BTU, it is suitable for demanding kitchen equipment that requires a consistent gas flow. In commercial kitchen environments, this regulator helps maintain even burner performance across different cooking appliances. Unstable gas pressure can lead to weak flame output, uneven heating, or inconsistent cooking results. When a regulator becomes worn or stops working properly, replacing it helps restore proper gas control and supports smoother operation during continuous kitchen use.

Equipment Compatibility:
Common applications for this Dormont Gas Pressure Regulator include ovens, ranges, griddles, broilers, fryers, and kettles used in commercial kitchen environments. This Gas Pressure Regulator R48N42-0306-3.5 is compatible with commercial cooking equipment from leading brands such as American Range, Bakers Pride, Blodgett, Garland, Imperial, Southbend, Vulcan Hart, and more, where stable gas pressure regulation is required for safe and consistent burner performance.

Brand Compatibility:
Replaces multiple part numbers across various commercial cooking equipment brands, including American Range, Bakers Pride, Blodgett, Cecilware, Cleveland, Dormont, Dynamic Cooking Systems, Garland, Grindmaster, Groen, Hobart, Imperial, Jade Range, Keating, Lang, MagiKitch'n, Montague, Nieco, Randell, Rankin Delux, Royal Range, Southbend, Star Mfg, Stero, and Vulcan Hart. Refer to the "Replaces Parts" section for complete cross-reference details.

Product Specifications:
Manufacturer: Dormont
SKU: R48N42-0306-3.5
Product Type: Gas Pressure Regulator
Fuel Type: Natural Gas
Connection Type: 3/4" FPT (Inlet & Outlet)
Pressure Range: 3"–6" Water Column
Pressure Setting: 1/2 PSI
BTU Rating: Up to 250,000 BTU
Application: Commercial Cooking Equipment

Key Features:
Maintains steady gas pressure to support consistent burner flame output. Designed for high-capacity equipment handling up to 250,000 BTU. 3/4" FPT connections ensure secure and standard gas line fitment. Helps reduce uneven heating caused by an unstable gas supply. Suitable for a wide range of commercial kitchen cooking equipment.

Users commonly notice improved gas flow consistency, reducing uneven heating in ovens and ranges.

Step1: Shut off gas or fluid supply and depressurize system before installation.

Step2: Verify inlet/outlet orientation and compatible FPT connections.

Step3: Apply thread sealant to fittings and hand-tighten regulator.

Step4: Secure with wrench, avoiding over-tightening to prevent damage.

Step5: Mount regulator in upright position as per flow direction arrow.

Step6: Slowly restore supply and check for leaks using soap solution.

Step7: Ensure installation is performed by a qualified technician and recheck all joints.

• What maintenance is required for the Dormont R48N42-0306-3.5 Pressure Regulator?

  Inspect regulator for leaks and pressure stability. Clean inlet screen and ensure gas line is free of debris. Verify output calibration and tighten fittings safely with gas off. Replace if pressure fluctuates.

• What are common issues with the Dormont R48N42-0306-3.5 Pressure Regulator?

  • Fluctuating outlet pressure causing inconsistent flow.
  • Gas leakage at fittings or regulator seals.
  • Blocked or dirty internal components affecting regulation.