Manifold Gauge Sets & Refrigeration Hoses
Professional manifold gauge sets and refrigeration hoses for accurate HVAC/R system diagnostics, charging, and recovery. Our comprehensive range includes digital manifolds with Bluetooth connectivity, traditional analogue gauge sets, complete hose sets, and replacement hoses for all refrigerant types and applications.
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Manifolds & Gauges
Digital and analogue manifold gauge sets for pressure measurement and diagnostics
Hoses
Complete range of charging hoses from standard to specialist configurations
Manifold Parts & Accessories
Replacement hoses, valve cores, gaskets, and manifold accessories
Manifold Gauge Sets
Digital Manifolds
Next-generation digital manifold gauge sets with advanced features:
- Bluetooth connectivity: Connect to smartphone apps for real-time data logging and analysis
- Multiple refrigerant profiles: Pre-programmed for 60+ refrigerants including R410A, R32, R134a, R1234yf, R290
- Automatic calculations: Superheat, subcooling, and saturation temperature calculated automatically
- Digital displays: Clear LCD screens readable in any lighting condition
- Data logging: Record and export service data for customer reports
- Compact designs: Palm-sized manifolds for mobile service work
Analogue Manifolds
Traditional analogue manifold gauge sets for reliable diagnostics:
- 2-way and 4-way options: Choose configuration for your application
- Multiple refrigerant scales: Colour-coded scales for common refrigerants
- Brass and aluminium construction: Durable materials for long service life
- Large gauge faces: 63mm and 80mm gauges for easy reading
- High-pressure rated: Suitable for R410A and other high-pressure refrigerants
- Complete kits: Includes hoses, couplers, and carrying case
Refrigeration Hoses
Standard Charging Hoses
Professional 1/4" SAE charging hoses in multiple lengths and configurations:
- Red (high-pressure), blue (low-pressure), yellow (centre port) colour coding
- Lengths from 30cm to 1000cm+ for any application
- Compatible with R134a, R404a, R407C, R22, and other common refrigerants
- Professional-grade construction for daily workshop use
Specialist Hoses
Application-specific hoses for unique requirements:
- Ball valve hoses: Integrated shut-off valves for flow control
- Heavy-duty hoses: Nylon barrier construction rated to 56 Bar for R410A
- Full-flow 3/8" hoses: High-volume hoses for recovery machines
- R410A hoses: Japanese standard 1/2"-20UNF fittings
- R1234yf hoses: 12mm M fittings for automotive A/C
- Complete hose sets: Matched 3-piece sets for manifold gauge setups
Key Features
- Universal compatibility: Tools work with all major refrigerant types
- Professional accuracy: Precision gauges for reliable diagnostics
- Durable construction: Built for daily professional use
- Complete kits: Everything needed for HVAC/R service work
- Bluetooth connectivity: Digital manifolds with smartphone app integration (selected models)
- High-pressure rated: Suitable for R410A and modern refrigerants
Applications
- System diagnostics: Pressure testing and fault finding
- Refrigerant charging: Accurate refrigerant addition to systems
- Recovery operations: Connect recovery machines for refrigerant reclamation
- Evacuation: Monitor vacuum levels during system evacuation
- Performance testing: Verify system operating pressures and temperatures
- Superheat/subcooling: Calculate and verify proper refrigerant charge
Refrigerant Compatibility
Our manifolds and hoses are compatible with:
- R410A: Residential and light commercial air conditioning
- R32: Modern low-GWP air conditioning refrigerant
- R134a: Automotive A/C and commercial refrigeration
- R1234yf: Modern automotive A/C (2017+ vehicles)
- R404A/R407C: Commercial refrigeration systems
- R290 (Propane): Natural refrigerant systems
- R22: Legacy HVAC systems (service only)
- R744 (CO2): Commercial refrigeration (specialist equipment required)
Choosing the Right Manifold
Digital vs Analogue
| Feature | Digital Manifolds | Analogue Manifolds |
|---|---|---|
| Price | Higher initial cost | Lower cost |
| Accuracy | Very high (±0.5%) | Good (±2-3%) |
| Features | Bluetooth, data logging, auto calculations | Basic pressure reading |
| Refrigerants | 60+ pre-programmed profiles | Multiple scales on gauge face |
| Best for | Modern service work, diagnostics, reporting | Traditional service, reliable diagnostics |
| Power | Battery powered | No power required |
2-Way vs 4-Way Manifolds
- 2-way manifolds: High and low-pressure gauges, suitable for most HVAC/R service work
- 4-way manifolds: Additional ports for vacuum gauge and micron gauge, ideal for comprehensive diagnostics
Professional Tips
- Hose length: Use shortest practical hose length to minimise refrigerant loss
- Colour coding: Always use correct colour hoses (red = high, blue = low, yellow = centre)
- Pressure ratings: Ensure hoses rated for system pressure (R410A requires high-pressure hoses)
- Regular calibration: Check gauge accuracy annually with known pressure source
- Proper storage: Coil hoses loosely, cap fittings, store in protective case
- Dedicated hoses: Use separate hoses for different refrigerant types to prevent cross-contamination
Need help choosing manifolds or hoses? Contact our technical team for expert advice on the right equipment for your applications.
Professional manifold gauge sets and refrigeration hoses from Mastercool. Official UK distributor stock with full technical support.
