ISTA I643 Single Gauge CO2 Regulator

Solenoid-equipped CO2 control built for stability and convenience.

The ISTA I643 regulator features a durable stainless steel construction designed for face-up CO2 cylinders. Its pressure-reduced architecture guarantees safe and consistent CO2 injection, ideal for planted tanks. The precision solenoid ensures controlled dosing, while the relief valve mitigates high pressure risks. Installation is easy—hand-tighten without tools—and the built-in power indicator provides real-time operational status.

Usage Instructions:

• Mount directly on standard face-up CO2 cylinder
• Connect to your CO2 tubing and diffuser system
• Ensure power supply for solenoid operation
• Release pressure before removing the regulator

Key Benefits:

• Reliable solenoid CO2 control
• One-hand tool-free installation
• Durable anti-rust stainless steel body
• Built-in relief valve and power light indicator

Specifications:

• Model: I643
• Material: Stainless steel
• Cylinder Type: Face-up CO2 cylinder
• Gauge Type: Single gauge – output pressure
• Installation: Hand-tighten design
• Safety: Pressure-relief valve
• Country of Manufacture: Taiwan

Solenoid regulator for planted tanks: Controlled CO2 delivery.
Face-up cylinder compatible: Designed for upright installation.
Stainless CO2 controller: Durable & rust-resistant.
Power indicator regulator: Visual operational status.
Tool-free install: Twist-mount convenience for all users.