Best CO2 Regulators for Homebrew Kegging (2026)
Updated How we research
A CO2 regulator is the control panel of your draft system, stepping tank pressure down to a serving or carbonation level you can trust. Look first at the gauges: one reads the pressure going to your keg, and a second reads how much gas is left in the tank so you are not caught empty mid pour. Build quality shows up in the diaphragm and the shutoff valve, and a good check valve stops beer from creeping back into the body. If you plan to run more than one keg at different pressures, a secondary regulator or a multi body unit lets each line sit where it belongs. A single keg brewer is well served by a solid primary regulator with a clean shutoff. Brewers running several kegs, or mixing styles that need different carbonation, should step up to a body that splits into multiple outputs. Check that the inlet matches your CO2 tank thread and that the outlet fits your gas line. Set it, watch the gauge settle, and you can walk away knowing your carbonation will land where you set it.
The short version
We compared 8 picks. Our scores range from 6.3 to 8.4 out of 10.
- Best overall:FERRODAY Dual Gauge CO2 Regulator, CGA-320. Highest overall score in this guide at 8.4/10.
- Also great value:CGA-320 Kegerator Dual Gauge CO2 Regulator. Value score of 9/10, overall 8.0/10.
- Solid build:MRbrew CO2 Regulator, Dual Output, CGA-320. Build and materials score of 8/10, overall 7.8/10.
- Feature-rich:Hilangsan Dual CO2 Regulator for Kegerator. Features score of 8/10, overall 7.8/10.
Scores are our editorial assessment, not customer ratings. How we score
As an Amazon Associate we earn from qualifying purchases. This does not change our picks. Affiliate disclosure
FERRODAY Dual Gauge CO2 Regulator, CGA-320
FERRODAY dual gauge dual-stage CO2 regulator with CGA-320 inlet for beer kegerators.
CGA-320 Kegerator Dual Gauge CO2 Regulator
A CGA-320 dual gauge kegerator CO2 regulator with 1/4'' & 5/16'' quick disconnect barb connectors.
- 1.FERRODAY Dual Gauge CO2 Regulator, CGA-3208.4/10See on AmazonCheck price
- 2.CGA-320 Kegerator Dual Gauge CO2 Regulator8.0/10See on AmazonCheck price
- 3.MRbrew CO2 Regulator, Dual Output, CGA-3207.8/10See on AmazonCheck price
- 4.Hilangsan Dual CO2 Regulator for Kegerator7.8/10See on AmazonCheck price
- 5.Taprite 3741-BR CO2 Primary Beer Regulator7.7/10See on AmazonCheck price
- 6.VEVOR Dual Gauge CO2 Regulator, 0-60 PSI7.6/10See on AmazonCheck price
- 7.HGKEKE Dual Gauge CO2 Keg Regulator, 0-120 PSI7.3/10See on AmazonCheck price
- 8.Dual Gauge CO2 Regulator for Kegging6.3/10See on AmazonCheck price
| # | Product | Our score | Price | |
|---|---|---|---|---|
| 1 | FERRODAY Dual Gauge CO2 Regulator, CGA-320 | 8.4/10 | See on Amazon | Check price |
| 2 | CGA-320 Kegerator Dual Gauge CO2 Regulator | 8.0/10 | See on Amazon | Check price |
| 3 | MRbrew CO2 Regulator, Dual Output, CGA-320 | 7.8/10 | See on Amazon | Check price |
| 4 | Hilangsan Dual CO2 Regulator for Kegerator | 7.8/10 | See on Amazon | Check price |
| 5 | Taprite 3741-BR CO2 Primary Beer Regulator | 7.7/10 | See on Amazon | Check price |
| 6 | VEVOR Dual Gauge CO2 Regulator, 0-60 PSI | 7.6/10 | See on Amazon | Check price |
| 7 | HGKEKE Dual Gauge CO2 Keg Regulator, 0-120 PSI | 7.3/10 | See on Amazon | Check price |
| 8 | Dual Gauge CO2 Regulator for Kegging | 6.3/10 | See on Amazon | Check price |
FERRODAY dual gauge dual-stage CO2 regulator with CGA-320 inlet for beer kegerators.
Fit for the job 9/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10
- + Dual-stage design keeps output pressure steadier as the tank empties
- + Two gauges show tank and serving pressure at a glance
- + CGA-320 fitting matches standard CO2 cylinders
- - Dual-stage regulators are usually bulkier than single stage
- - Check the outlet barb size fits your beer line before ordering
A CGA-320 dual gauge kegerator CO2 regulator with 1/4'' & 5/16'' quick disconnect barb connectors.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 9/10
- + Includes 1/4'' & 5/16'' barbs to fit common gas line sizes
- + Quick disconnect barbs speed up line swaps
- + Dual gauges for tank level and serving pressure
- - Generic brand gives little assurance on long-term reliability
- - Barbs still need hose clamps for a secure fit
MRbrew dual output CGA-320 CO2 regulator in forged brass with two adjustment knobs and gauges, built for homebrewers who serve from two kegs at different pressures.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 8/10 · Value 7/10
- + Two separate knobs and output gauges let you set a different pressure for each gas line, from 0 to 60 PSI.
- + The listing describes forged brass construction with a sintered brass inlet filter and a safety relief valve.
- + Comes with two swivel nut barbs so it works with 1/4 inch and 5/16 inch gas line hoses.
- - Costs noticeably more than a single-output regulator, which is wasted money if you only serve one keg at a time.
- - Two gauges and two knobs add setup steps for a beginner who just wants to carbonate and serve one keg.
Hilangsan dual CO2 regulator for kegerators with CGA-320 swivel nut and 1/4 & 5/16 barbs for homebrew.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10
- + Swivel nut makes attaching to the tank easier
- + 1/4 & 5/16 barbs accommodate standard gas line sizes
- + Dual gauge setup shows serving and tank pressure
- - Lesser-known brand with fewer long-term reviews
- - Check whether hose clamps and gas line are included before ordering
Taprite 3741-BR primary CO2 beer regulator with a CGA-320 inlet, 60 lb and 2000 lb gauges, a barbed shutoff valve and a pressure relief valve. An established draft brand at a higher price than the generic picks.
Fit for the job 9/10 · Features and specs 7/10 · Build and materials 8/10 · Value 6/10
- + Two gauges, a 60 lb output gauge and a 2000 lb tank gauge, as listed
- + Barbed shutoff valve and pressure relief valve are built in, and a tank washer is included
- + Listed as ready to attach to a CO2 tank, from a brand that specializes in draft regulators
- - Costs roughly twice as much as the generic dual gauge regulators in this guide
- - Listing gives the barb as 1/4 inch in one line and 5/16 inch in another, so confirm before buying gas line
VEVOR double gauge CO2 regulator with a CGA-320 inlet, 0-60 PSI adjustable output, a check valve and a relief valve listed at 65 PSI. A low-cost single-keg regulator from a known tool brand.
Fit for the job 8/10 · Features and specs 7/10 · Build and materials 7/10 · Value 8/10
- + Output adjustable from 0 to 60 PSI, the range used for serving and force carbonating beer
- + Check valve on the outlet to keep beer from flowing back into the regulator, per the listing
- + Comes with gaskets and clamps, and the product page states compatibility with 8 mm hose
- - Hose size is given only as 8 mm, and barb options for 1/4 inch gas line are not mentioned in the highlights
- - Listing highlights do not state the body material, and a single outlet means two kegs need a splitter
HGKEKE dual gauge CO2 regulator with a CGA-320 inlet and a 0-120 PSI output range, plus 1/4 and 5/16 inch barbs. The higher range suits brewers who also carbonate soda or seltzer.
Fit for the job 7/10 · Features and specs 8/10 · Build and materials 7/10 · Value 7/10
- + Output is listed as adjustable up to 120 PSI, with a tank gauge reading 0 to 3000 PSI
- + Welded 7/16-20 UNF threaded outlet, with 1/4 and 5/16 inch barbs included for common gas lines
- + Outlet check valve against backflow and a relief valve that can also be pulled by hand, per the listing
- - A 0-120 PSI gauge has coarser markings in the low range used for serving beer than a 0-60 PSI gauge
- - Single outlet, so running two kegs at different pressures needs a second regulator
A dual gauge CO2 regulator for homebrew kegging with safety relief valve and W21.8 inlet.
Fit for the job 5/10 · Features and specs 7/10 · Build and materials 7/10 · Value 7/10
- + Safety relief valve adds protection against overpressure
- + Dual gauges monitor tank and serving pressures
- + Suited to draft beer kegging at home with standard gas lines
- - W21.8 inlet does not fit standard US CGA style CO2 tanks without an adapter
- - Check your local tank fitting before buying
Before you buy: trade-offs we flagged
No pick is perfect. These are the main compromises we noted for the top products in this guide, so you can check they will not matter for you.
- Dual-stage regulators are usually bulkier than single stage (FERRODAY Dual Gauge CO2 Regulator, CGA-320)
- Generic brand gives little assurance on long-term reliability (CGA-320 Kegerator Dual Gauge CO2 Regulator)
- Costs noticeably more than a single-output regulator, which is wasted money if you only serve one keg at a time. (MRbrew CO2 Regulator, Dual Output, CGA-320)
- Lesser-known brand with fewer long-term reviews (Hilangsan Dual CO2 Regulator for Kegerator)
- Costs roughly twice as much as the generic dual gauge regulators in this guide (Taprite 3741-BR CO2 Primary Beer Regulator)
- Hose size is given only as 8 mm, and barb options for 1/4 inch gas line are not mentioned in the highlights (VEVOR Dual Gauge CO2 Regulator, 0-60 PSI)
Frequently asked questions
›What is the best choice among co2 regulators for homebrew kegging (2026)?
FERRODAY Dual Gauge CO2 Regulator, CGA-320 is our top overall pick. FERRODAY dual gauge dual-stage CO2 regulator with CGA-320 inlet for beer kegerators. It earns our score of 8.4/10, based on fit for the job, features, build and value.
›What is a good budget option?
CGA-320 Kegerator Dual Gauge CO2 Regulator is the strongest low-cost pick in this guide. A CGA-320 dual gauge kegerator CO2 regulator with 1/4'' & 5/16'' quick disconnect barb connectors.
›How much should I expect to spend?
Picks in this guide span See on Amazon price bands (roughly: $ = under $30, $$ = $30 to $100, $$$ = over $100). We never display exact prices because they change constantly, so the buttons above always show Amazon's current price.
›How were these products chosen?
We shortlist products that fit the job this guide solves and compare their published specifications, such as size, capacity, materials and what is included. Each pick gets an editorial score out of 10 for fit, features, build and value, and we write the pros and cons from those details. Our score is not an Amazon customer rating. We earn a commission if you buy through our links, which never affects the ranking.
Home Brew Craft independently selects every product; we may earn a commission from links above.
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