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Gas Regulators

Maintaining correct pressure in your gas system isn’t optional—it’s crucial for safety, performance and compliance. Our Gas Regulators collection offers pressure­ control devices designed for natural gas and propane piping systems, appliance hook-ups, service lines and multi-appliance installations.

Whether you’re working on a home boiler, a new cooktop, a fire-feature, or a commercial setup, the right regulator can prevent overpressure, reduce wear, and keep your gas system operating safely. For example, when installing a regulator, it's essential to follow proper orientation, venting and code-compliance.

Why choose Big Frog Supply? Because we understand that gas regulator selection isn’t just about “part fits”—it’s about proper sizing, pressure control, code compliance and safety. Our collection is curated for both homeowners and professionals.

  • Maxitrol 325-5AL-3/4-V 3/4-inch gas regulator, 2 PSI, 550 MBTU

    Maxitrol 325-5AL-3/4-V 3/4 in. Gas Regulator - 2 PSI, 550,000 BTU/hr

    Maxitrol
    $ 65.00 - $ 65.00
    $ 65.00
    $ 65.00 - $ 65.00
    $ 65.00

    Maxitrol 325-5AL-3/4-V 3/4 in. 325 Series Gas Regulator - 2 PSI, 550,000 BTU/hrBrand: Maxitrol | SKU: 325-5AL-3/4-VProduct OverviewThe Maxitrol 325...

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    $ 65.00 - $ 65.00
    $ 65.00
    $ 65.00 - $ 65.00
    $ 65.00
  • Norgas NGR02-BBA 3/4-inch NPT gas pressure reducing regulator with 1/4-inch orifice

    Norgas NGR02-BBA Gas Pressure Regulator, 3/4 in. NPT Pressure Reducing, Includes 1/4 in. Orifice, 6.5-16 in. w.c., Green Spring.

    Norgas
    $ 0.00 - $ 0.00
    $ 0.00
    $ 109.95
    $ 109.95 - $ 109.95
    $ 109.95

    ALL ITEMS ARE FINAL SALES WHILE SUPPLIES LAST. NOT ELIGIBLE FOR REFUNDS OR EXCHANGES.   The NGR02 Series spring loaded gas regulators with internal...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 109.95
    $ 109.95 - $ 109.95
    $ 109.95
  • Maxitrol 13A30-50 1/8-inch NPT vent protector for 325-3 and 325-3L regulators

    Maxitrol 13A30-50 1/8 in. NPT Vent Protector

    Maxitrol
    $ 15.90 - $ 15.90
    $ 15.90
    $ 15.90 - $ 15.90
    $ 15.90

    Maxitrol 13A30-50 1/8 in. NPT Vent ProtectorBrand: Maxitrol | SKU: 13A30-50Product OverviewThe Maxitrol 13A30-50 Vent Protector is an outdoor regul...

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    $ 15.90 - $ 15.90
    $ 15.90
    $ 15.90 - $ 15.90
    $ 15.90
  • Maxitrol 13A31-50 3/8-inch NPT vent protector for 325-5 and 325-5L regulators

    Maxitrol 13A31-50 3/8 in. NPT Vent Protector for 325-5 & 325-5L

    Maxitrol
    $ 23.25 - $ 23.25
    $ 23.25
    $ 23.25 - $ 23.25
    $ 23.25

    Maxitrol 13A31-50 3/8 in. NPT Vent ProtectorBrand: Maxitrol | SKU: 13A31-50Product OverviewThe Maxitrol 13A31-50 Vent Protector is an outdoor regul...

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    $ 23.25 - $ 23.25
    $ 23.25
    $ 23.25 - $ 23.25
    $ 23.25
  • Maxitrol 325-3L-V 1/2-inch gas regulator, 2 PSI, 250 MBTU

    Maxitrol 325-3L-V 1/2 in. Gas Regulator - 2 PSI, 250,000 BTU/hr

    Maxitrol
    $ 51.23 - $ 51.23
    $ 51.23
    $ 51.23 - $ 51.23
    $ 51.23

    Maxitrol 325-3L-V 1/2 in. 325 Series Gas Regulator - 2 PSI, 250,000 BTU/hrBrand: Maxitrol | SKU: 325-3L-VProduct OverviewThe Maxitrol 325-3L-V is a...

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    $ 51.23 - $ 51.23
    $ 51.23
    $ 51.23 - $ 51.23
    $ 51.23
  • Norgas NGR02-CCA 1-inch NPT gas pressure reducing regulator with 3/8-inch orifice

    Norgas NGR02-CCA Gas Pressure Regulator, 1 in. NPT Pressure Reducing, Includes 3/8 in. Orifice, 6.5-16 in. w.c., Green Spring.

    Norgas
    $ 0.00 - $ 0.00
    $ 0.00
    $ 86.97
    $ 86.97 - $ 86.97
    $ 86.97

    ALL ITEMS ARE FINAL SALES WHILE SUPPLIES LAST. NOT ELIGIBLE FOR REFUNDS OR EXCHANGES.   The NGR02 Series spring loaded gas regulators with internal...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 86.97
    $ 86.97 - $ 86.97
    $ 86.97
  • Maxitrol 13A25 1/2-inch NPT vent protector for 325-7 Series regulators

    Maxitrol 13A25 1/2 in. NPT Vent Protector for 325-7 Series Regulators

    Maxitrol
    $ 65.34 - $ 65.34
    $ 65.34
    $ 65.34 - $ 65.34
    $ 65.34

    Maxitrol 13A25 1/2 in. NPT Vent ProtectorBrand: Maxitrol | SKU: 13A25Product OverviewThe Maxitrol 13A25 Vent Protector is an outdoor regulator acce...

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    $ 65.34 - $ 65.34
    $ 65.34
    $ 65.34 - $ 65.34
    $ 65.34
  • Maxitrol 12A39 3/8-inch NPT vent limiter for 325-5A and 325-5AL regulators
    Sold out

    Maxitrol 12A39 3/8 in. NPT Vent Limiter for 325-5A & 325-5AL Regulators

    Maxitrol
    $ 23.98 - $ 23.98
    $ 23.98
    $ 23.98 - $ 23.98
    $ 23.98

    Maxitrol 12A39 3/8 in. NPT Vent Limiter for 325-5A & 325-5AL RegulatorsBrand: Maxitrol | SKU: 12A39Product OverviewThe Maxitrol 12A39 is a cert...

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    $ 23.98 - $ 23.98
    $ 23.98
    $ 23.98 - $ 23.98
    $ 23.98
    Sold out
  • Norgas NGR02-CBA 1-inch NPT gas pressure reducing regulator with 1/4-inch orifice

    Norgas NGR02-CBA Gas Pressure Regulator, 1 in. NPT Pressure Reducing, Includes 1/4 in. Orifice, 6.5-16 in. w.c., Green Spring.

    Norgas
    $ 0.00 - $ 0.00
    $ 0.00
    $ 86.50
    $ 86.50 - $ 86.50
    $ 86.50

    ALL ITEMS ARE FINAL SALES WHILE SUPPLIES LAST. NOT ELIGIBLE FOR REFUNDS OR EXCHANGES.   The NGR02 Series spring loaded gas regulators with inter...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 86.50
    $ 86.50 - $ 86.50
    $ 86.50
  • Maxitrol 325-5AL-1-V line pressure regulator product detail
    Maxitrol 325-5AL-1-V 1-inch gas regulator, 2 PSI, 550 MBTU

    Maxitrol 325-5AL-1-V 1 in. Gas Regulator - 2 PSI, 550,000 BTU/hr

    Maxitrol
    $ 134.18 - $ 134.18
    $ 134.18
    $ 134.18 - $ 134.18
    $ 134.18

    Maxitrol 325-5AL-1-V 1 in. 325 Series Gas Regulator - 2 PSI, 550,000 BTU/hrBrand: Maxitrol | SKU: 325-5AL-1-VProduct OverviewThe Maxitrol 325-5AL-1...

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    $ 134.18 - $ 134.18
    $ 134.18
    $ 134.18 - $ 134.18
    $ 134.18

  • Yellow Jacket - YJ78055 Gas Pressure Test Kit 0-10" W.C. (78055)

    Yellow Jacket
    $ 82.38 - $ 82.38
    $ 82.38
    $ 82.38 - $ 82.38
    $ 82.38

    Our gas pressure test kit is easier to use than a manometer. This compact kit helps you accurately set manifold pressure for natural or L.P. gas. F...

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    $ 82.38 - $ 82.38
    $ 82.38
    $ 82.38 - $ 82.38
    $ 82.38

Pro tip: Before selecting a regulator, determine your system’s maximum inlet pressure, required outlet pressure, fuel type (natural vs LP), and whether you’ll need venting or over-pressure relief. Install with correct orientation (look for the flow arrow), protect vents from debris, and always perform a leak test after installation.

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