Mastercool 84834-CO2 R744 CO2 High Side Service Coupler 1/4" SAE
£257.79 GBP
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Mastercool 84834-CO2 R744 CO2 High Side Service Coupler 1/4" SAE
£257.79 GBP
Shipping calculated at checkout.
The Mastercool 84834-CO2 is a professional high side service coupler specially designed for R744 (CO2) refrigerant systems. Engineered to meet SAE specifications with premium brass construction and reliable self-locking design for safe, precise refrigerant handling.
Key Features
- SAE J639 compliant — Meets industry standards for refrigerant containment
- Reliable self-locking construction — Secure connection during service
- Adjustable opening — Provides precise filling control
- High pressure resistance — Burst pressure ≥8,700 psi (60 MPa)
- Easy disconnect — Automatic pressure relief for safe removal
- Easily adjustable knobs — Simple open and close operation
- Premium brass construction — C3771BD brass with bright nickel plating
Technical Specifications
- Refrigerant: R744 (CO2)
- Connection: 1/4" SAE
- Pressure side: High side
- Burst pressure: ≥8,700 psi (60 MPa)
- Material: C3771BD brass with bright nickel plating
- Dimensions (H × W): 75mm × 40mm
- Weight: 0.65kg (1 lb 7 oz combined with low side)
- Colour: Red (high side)
Applications
Essential for servicing commercial refrigeration systems using R744 (CO2) refrigerant, including supermarket refrigeration, industrial cooling systems, and modern eco-friendly HVAC applications.
Related Products
- 84934-CO2 — R744 CO2 low side service coupler, 1/4" SAE
- 55102-A — R744 CO2 2-valve piston manifold
- 55661-A — R744 CO2 2-valve piston manifold
View our complete range of hoses and couplers for professional HVAC/R service solutions.
Professional R744 CO2 service coupler for commercial refrigeration technicians requiring SAE-compliant, high-pressure rated equipment.