Maxitrol 325-5-3/4 Gas Regulator 3/4″ NPT

Original price was: $69.00.Current price is: $31.00.


Maxitrol 325-5-3/4 Gas Regulator 3/4″ NPT

Condition: It might have been installed, so listing it as used.

Maxitrol’s 325 series pounds to inches regulators are for use on residential, commercial, and industrial applications. The 325 series features a high leverage valve linkage assembly to deliver positive dead-end lockup. The regulators are capable of precise control from full flow down to pilot flow.

Brand: Maxitrol
Model: 325-5-3/4
Pipe Sizes: 2″ threaded connections with 3/8″ NPT or ISO7-1 threads.
Housing Material: 325-5 aluminum.
Gas Types: Suitable for natural, manufactured, mixed gases, liquefied petroleum gases, and LP gas-air mixtures.

The Maxitrol 325-5-3/4 Gas Regulator is a precise and durable device designed for use in residential, commercial, and industrial applications that require accurate control of gas pressure.

Product Specifications:

  • Model/Part Number: 325-5
  • Housing Material: Aluminum
  • Mounting: The regulator is suitable for multi-positional mounting, but if a ball check vent limiting device is installed, it must be mounted in an upright position only.
  • Certifications: ANSI Z21.18/CSA 6.3 Gas Appliance Pressure Regulators.
  • Gas Types: Suitable for natural, manufactured, mixed gases, liquefied petroleum gases, and LP gas-air mixtures.
  • Maximum Inlet Pressure:
    • CSA Certified: 2 psi (13.8 kPa) and 5 psi (34.5 kPa)
    • Maxitrol Tested: 10 psi (69 kPa)
    • With Vent Limiter 12A09, 12A39, or 12A49 Installed: 5 psi (34.5 kPa) for natural gas, 2 psi (13.8 kPa) for LP gas
  • Emergency Exposure Limits: 65 psi (450 kPa) (inlet side only)
  • Maximum Individual Load: 325,000 Btu/h
  • Capacity: Total load of multiple appliances combined up to 325,000 Btu/h
  • Ambient Temperature Ranges: -40 to 205°F (-40 to 96°C)
  • Minimum Regulation: Suitable for pilot flow applications.
  • Imblue Technology™: Available for enhanced corrosion resistance and protection against the elements, especially in outdoor applications.


  • High Leverage Valve Linkage Assembly: This design feature allows for positive dead-end lock-up and ensures the regulator can deliver precise control from full flow down to pilot flow.

Installation and Safety:

  • Installation Guidelines: All Maxitrol gas pressure regulators should be installed and operated according to Maxitrol Safety Warning Instructions. Proper installation ensures safety and functionality.
  • Certifications: It is important to adhere to certifications to ensure that the device functions within safety and regulatory standards.


  • Residential Use: Can be used for home heating and appliances that require regulated gas pressure.
  • Commercial and Industrial Applications: Suitable for larger systems within commercial buildings or industrial plants that need precise gas pressure control.


  • Regular inspection and maintenance are recommended to ensure the regulator operates efficiently and safely. Check for any signs of wear or damage, and ensure the vent limiters and connections are secure and functioning properly.


The Maxitrol 325-5-3/4 Gas Regulator is an efficient and reliable choice for managing gas pressure in various settings. Its robust construction, combined with safety features and certifications, make it suitable for a wide range of applications from residential to industrial.



Weight 2 lbs
Dimensions 7 × 7 × 7 in


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