10 Best Co2 Regulator of December 2025

List of Top Rated Co2 Regulator from thousands of customer reviews & feedback.

Updated On Dec 2025

727 Reviews Studied

By Customer Ratings

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VIVOSUN Hydroponics CO2 Regulator Emitter System with Solenoid Valve Flowmeter for Grow Room Grow Tent Green House Aquar... Read Review

  • DURABLE MATERIAL: Long-lasting durable brass components that will function for many years without rusting
  • SPECIFICATIONS: 1.58" high pressure gauge: 0-4000 PSI. Flowmeter: 0-15 scfh. Inlet connection: cga-320
  • APPLICATION: Perfect for indoor grow rooms, grow tents, green houses, and hydroponics to enhance the amount of carbon dioxide to the growing environment and speed up growth rates and yields by up to 40%.
  • COMPONENTS :A precision regulator, flow gauge, and industrial solenoid valve, 5 meters free plastic dispensing tubing and USA standard 3-prong plug (Hose tail suit for 4.2 mm inside diameter hose. )
  • MULTIPLE OPTIONS: This CO2 Regulator will allow you to maintain ideal CO2 levels for optimal growth

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FZONE Aquarium Co2 Regulator DC Solenoid with Big Dual Gauge Display and Bubble Counter and Check Valve Plant Grow DIY C... Read Review

  • DUAL Big GAUGE! 1.6 inch big dual gauge easy to read your cylinder inner and working Pressure.
  • UPDATED SPLIT-TYPE DC SOLENOID! Newest 12 DC split-type solenoid instead AC models, more safe and stable. NEVER noise, automatic turn on/off CO2 with timer.
  • HIGH PRECISION STRUCTURE-This regulator is designed for the aquarium. High precision fine-tuning easy for co2 to be 1 bubble in 3 seconds. Upgraded sealing material avoid any leak.
  • BUBBLE COUNTER AND TOOLS INCLUDED! Together with bubble counter, you can read your co2 flow rate. Bubble counter with check valve function, stop water backflow to bottle. All installing tools included, make all goes easy.
  • CLASS 1 MANUFACTURING TECHNOLOGY! Made of hard aluminum alloy, surface spraying treated. Pressure knob and fine tuning knob with knurl.

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Taprite 12218 1 X co2 Dual Gauge Regulator Read Review

  • At present we do not ship to California
  • Dual pressure gauges - Co2 tank and keg pressure
  • Integrated 5/16 barb outlet with check valve to prevent backflow
  • 0-50 psi range, 60 lb and 2000 lb gauges
  • Duck-bill shutoff, check valve, and a red easy adjustment cap

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MRbrew CGA-320 Keg Regulator, Quick Disconnect CO2 Kegerator Regulator with Pressure Adjustment Knob, Beer Regulator wit... Read Review

  • 【1/4’’ THREADED QUICK DISCONNECT】MRbrew thread to barb keg beer regulator comes with 1/4'' swivel nut, allows CO2 regulator to be used with 1/4" and 5/16" I.D size hoses, threaded setting makes disconnection between regulator and gas hoses a great breeze!
  • 【EXCELLENT SEALING & ANTI-BACKFLOW】Durable thick nylon washer achieves quad—Ring inlet seal at connection between tank and regulator, perfectly avoids one leakage source, turning off ON/OFF valve avoids back-flow of beer, worry-free operation with MRbrew keg regulator!
  • 【YOUR SAFETY, THE FIRST!】Integrated sintered bronze mesh inlet gas filter perfectly controls co2 gas flow, manual pressure release valve releases extra pressure at 45 PSI, help you get correct pressure reading, always keeps you safe when you operate regulator!
  • 【DUAL GAUGE & STABLE PRESSURE】MRbrew upgraded regulator comes with dual pressure gauges, displays pressure clearly, easy to adjust and stabilize to the pressure you want by pressure adjustment knob, a well-built regulator for getting accurate pressure!
  • 【100% LIFELONG ISSUES SOLVING FOR YOU】Each MRbrew keg regulator is backed by unbeatable, reliable, trusted product quality, we will unconditionally solve your problems if you are not satisfied!

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Kegco KC LH-542 Draft Beer Regulator, Chrome Read Review

  • Beware of cheap imitation! Only Beverage factory sells this regulator with the Kegco
  • Dual Gauge regulator shows you working pressure and tank pressure
  • Chrome plated brass body
  • Manual pressure release valve and pressure adjustment knob
  • Integral safety pressure relief valve releases at 45 psi

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Titan Controls Carbon Dioxide (CO2) Regulator for 120V Controllers & Timers Read Review

  • Compatible with Titan Controls CO2 Controller or other 120 volt controllers and timers
  • Precision accuracy flow meter - 0.5 to 15 SCF/hour
  • Features heavy-duty solenoid valve
  • High quality oil-less pressure gauge
  • Includes two plastic tank washers and 12 ft of CO2 dispensing line

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MRbrew Keg Regulator CO2, Kegerator Regulator CGA-320, 0-60 PSI Working Pressure, 0-3000 PSI Tank Pressure, Beer Regulat... Read Review

  • 【PRESSURE YOU WANT】This brewery-grade keg regulator features a multi-stage body for more precise control when making little adjustment to the output pressure. And the lock ring under the adjustment knob can be quickly locked without re-adjustment, and maintains steady Co2 pressure.
  • 【NO LEAKS & EASY INSTALLATION】Join our leading assembly technology, our co2 keg regulator ensure fast and stable transmission without leaking. All you need to install this beer keg regulator is an adjustable wrench. Always place a washer between the lock-down nut and the tank to ensure a tight seal.
  • 【PROFESSIONAL GRADE】Easy-to-adjust large knob, easy-to-read dual-gauge with 45 PSI safety relief valve and gas shut-off valve, Our regulator for kegerator, which has been specially designed to provide maximum convenience and durability in busy commercial environments like bars, tasting rooms, and restaurants.
  • 【HEAVY DUTY & DURABLE】MRbrew CO2 Pressure Regulator for Draft Beer is a heavy duty unit, constructed of forged premium brass with all brass connections and components and features a sintered brass inlet filter, integrated nylon tank connection washer (and spare). Regular replacement of washers ensures long-term use.
  • 【100% LIFELONG ISSUES SOLVING FOR YOU】Each MRbrew keg regulator is backed by unbeatable, reliable, trusted product quality, we will unconditionally solve your problems if you are not satisfied!

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FERRODAY Dual Gauge CO2 Draft Beer Regulator Dual Stage Pressure Regulator CGA-320 CO2 Tank Beer Kegerator Regulator wit... Read Review

  • 【Top Quality No Leaks】: FERRODAY lifetime CO2 keg pressure regulator features heavy duty forged brass body, exquisitely crafted tank washers and relief valve gasket to prevent any kinds of gas leakage!
  • 【Easy to Adjust by Hand】: Our CO2 regulator has 2 control knobs, one adjustment knob enables more precise control even small adjustments, one shut-off knob allows instantly shut off without liquid backing up gas line, very easy to turn.
  • 【Lock Ring to Hold Your Setting】: A lock ring under the big knob can firmly locked to hold your setting. Big gauges can accurately show the CO2 volume in cylinder and the output pressure to keg.
  • 【Relief Valve & Filter】: Always safety first! A sintered metal filter in the stem keeps harmful contaminants out of the regulator. Customized manual relief valve releases pressure at 55-65 PSI each time for further adjustment and safety concern.
  • 【Life Time Service】We are committed to offer you high quality product as well as superior service! Please feel free to tell us if any problems, we would try our best to satisfy you. Lifetime technical support.

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Taprite T742HP Primary Double Gauge CO2 Regulator, Brass Read Review

  • Low pressure gauge (the top gauge) indicates output pressure to the keg
  • The low pressure regulator allows for an adjusted pressure from 1 to 50psi, the maximum downstream delivery pressure will not exceed 50psi
  • High pressure gauge (the side gauge) indicates CO2 tank pressure remaining
  • Duck bill check valve helps prevent product back up into the regulator
  • Assembled and Tested in the USA

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TerraBloom CO2 Keg Pressure Regulator for Draft Beer Kegerators. Dual Gauge Heavy Duty Unit with CGA-320 inlet, 0-50 PSI... Read Review

  • HEAVY DUTY WITH DUAL GAUGES: TerraBloom CO2 Pressure Regulator for Draft Beer Setups is a heavy duty unit made with double gauges to accurately measure working pressure in the system and CO2 tank pressure
  • PROFESSIONAL GRADE: This CO2 Regulator fits all standard CO2 tanks with CGA-320 inlets. You can adjust the working pressure in your system via a control knob in the front. Gas Shut Off Valve for easy keg/tank swaps. Safety Pressure relieve valve/Chrome Shut Off Valve to prevent beer from backing up into the gas lines
  • EASY INSTALLATION: All you need to install this CO2 Pressure Regulator is an adjustable wrench. Each unit is supplied with 2 O-ring washers. Always place a washer between the lock-down nut and the tank to ensure a tight seal. Replace washers regularly
  • VERSATILE APPLICATIONS: Works with 15 Gallon Kegs, 5 Gallon Kegs, 1.75 Mini Kegs, Half Barrels and Quarter Barrel Units. Barbed Gas Outlet Fitting Allows easy connection to many gas line types
  • WARRANTY: TerraBloom 30-day money back guarantee. 1 Year Warranty Against Manufacturing Defects