2024 DIY Aquarium CO2 Regulator Electromagnetic Valve Bubble Counter CO2 Control System Fish Tank CO2 Pressure Reducing Valve
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Specifications
- Brand Name
- ZRDR
- Origin
- Mainland China
- High-concerned chemical
- None
- Power (W)
- ac100-240v
- Is Smart Device
- No
- Name:
- Fish Tank CO2 Pressure Reducing Valve
- Material: A
- Aluminum alloy
- Battery Included
- No
- Choice
- yes
Product Description
ZRDR specializes in producing CO2 production equipment
Attention:
Suitable for side cylinder nut docking:
R104-A: Model/threaded interface: W21.8 G5-8 CGA320 M22 G3/4
Suitable for upward facing cylinder nut docking:
R104-B: Model/threaded interface: W21.8 G5-8 CGA320 M22 G3/4 TR21 5/8UNF 3/8UNF
Note: (Purchase the corresponding nut model to avoid nut docking problems)
The threaded connection must be confirmed before ordering.
You can view the detailed product description (model and purpose)
Material: aluminum alloy+304 stainless steel
Size: As shown in the figure
Power supply: AC100-240V input DC12V output (global version)
Suitable for AC110V-AC220V power supply
Directly used in countries/regions using 110v or 220V power supplies
Plug: EU/US/UK/AU plug
Since this is a manual measurement, please consider 1-2cm and make sure you don't mind before ordering
Reminder: After the first installation, first turn on the power supply (let the solenoid valve work first), and then turn on the air pressure of the cylinder valve!
If you have any questions, please contact us)
Pros & Cons
Pros
- DIY aquarium CO2 regulator with electromagnetic valve and bubble counter for precise control
- Aluminum alloy build, multiple cylinder interfaces (W21.8, CGA320 etc.)
- Universal AC 100-240V power for reliable operation
- Pressure reducing for safe fish tank plant growth
Cons
- No smart features or app control
- Specific interface matching required for cylinders
- Assembly needed for full system
- Not battery-powered, needs outlet
Common Questions
What material is the CO2 regulator made from?
Aluminum alloy for durability in aquarium use.
What cylinder interfaces are compatible?
R104-A for side nuts (W21.8, G5-8, CGA320, M22, G3/4); R104-B for upward (adds TR21, 5/8UNF, 3/8UNF).
How does the electromagnetic valve work?
DIY system with bubble counter, pressure reducing valve for precise CO2 control in fish tanks.
Power requirements for the valve?
AC 100-240V, no battery; solenoid valve for automated regulation.
Shipping and origin details?
From Mainland China; suitable for aquarium CO2 systems.
Product information last updated on November 27, 2025