VIVOSUN CO2 Regulator System with Solenoid Valve & Flowmeter — Brass Regulator, 0–15 SCFH

VIVOSUN's Hydroponics CO2 Regulator System with Solenoid Valve Flowmeter gives indoor growers precise, durable control of CO2 delivery to boost plant performance in tents, rooms, and greenhouses.

Engineered for hobbyists and commercial cultivators alike, this VIVOSUN CO2 regulator assembly combines a heavy-duty brass regulator, a pressure gauge, an adjustable flowmeter and an industrial solenoid valve to automate CO2 supplementation. The kit comes with 5 meters of plastic tubing and a USA standard 3-prong plug, and it fits cylinders with a CGA-320 inlet. Built to resist corrosion and calibrated to common horticultural ranges, the system helps you maintain stable CO2 levels without frequent adjustments.

How does this regulator maintain consistent CO2 delivery?

The precision brass regulator reduces cylinder pressure to a usable output and the flowmeter lets you set an exact delivery rate. The solenoid valve opens and closes automatically when paired with a controller or timer so CO2 is released only when needed.

• Durable brass components resist rust and wear for long service life
• Pressure gauge reads 0–4000 PSI for clear cylinder monitoring
• Flowmeter adjustable from 0–15 SCFH for fine-tuned dosing
• Industrial solenoid valve integrates with standard CO2 controllers/timers

What installation and connections are required?

Installation is straightforward for anyone familiar with gas fittings: attach the regulator to a CGA-320 cylinder, route the included 4.2 mm tubing, and plug in the solenoid valve. No special tools are required beyond a wrench for tightening the regulator connection.

• Fits standard CGA-320 CO2 cylinders used in horticulture
• Hose tail sized for 4.2 mm tubing, 5 meters of tubing provided
• USA standard 3-prong plug powers the solenoid valve
• Recommended pairing: CO2 controller or timer for automated scheduling

What accuracy and ranges can I expect when dosing CO2?

The flowmeter gives a readable scale up to 15 SCFH, which covers typical enrichment rates for grow tents and rooms. The pressure gauge and regulator combination stabilizes output so the flowrate remains consistent throughout most of the cylinder's use.

• Flow control range: 0–15 SCFH for incremental adjustments
• High-pressure gauge: 0–4000 PSI to monitor cylinder status
• Brass regulator minimizes drift and corrosion for reliable performance

How durable and serviceable is the system?

All gas-wetted parts are brass, chosen for longevity and resistance to rust. The modular design means individual components — regulator, flowmeter, solenoid — can be serviced or replaced without swapping the entire assembly.

• Brass construction for long-term durability and minimal maintenance
• Replaceable solenoid and flowmeter parts for easy repairs
• Clear gauges for quick visual checks of pressure and flow

Who is this for: Growers running indoor hydroponics, grow tents, small-scale commercial rooms, or greenhouses who need reliable, adjustable CO2 supplementation will benefit from VIVOSUN's regulator system. It suits experienced users who pair it with a CO2 controller or timers for scheduled enrichment, as well as hobbyists looking to upgrade from manual methods to automated, repeatable dosing.