Mastercool MH — Gauge 63mm, HP, Bar/°C, R22-134a-404/7-507
Mastercool MH — Gauge 63mm, HP, Bar/°C, R22-134a-404/7-507
Mastercool MH — 63mm High-Pressure Replacement Gauge
Professional 63mm (2.5") high-pressure replacement gauge with Bar/°C scales for R22, R134a, R404A, R407C, and R507A refrigerants. Features ANTI-FLUTTER design for stable readings and 1.6 gauge class accuracy. Direct replacement for worn or damaged gauges on manifold sets.
Key Features:
- 63mm (2.5") Dial – Large, easy-to-read display
- High-Pressure (HP) – For discharge/high-side measurement
- Bar/°C Scales – Metric units for UK/European use
- Multi-Refrigerant – R22, R134a, R404A, R407C, R507A scales
- ANTI-FLUTTER Design – Stable, accurate readings
- 1.6 Gauge Class – Professional accuracy
- Direct Replacement – Fits standard manifold gauge sets
- Protective Guard – Rubber boot protects gauge face
Specifications:
- Model: MH
- Size: 63mm (2.5") dial
- Type: High-pressure (HP) gauge
- Scales: Bar/°C
- Refrigerants: R22, R134a, R404A, R407C, R507A
- Gauge class: 1.6
- Design: ANTI-FLUTTER
- Connection: Standard manifold mounting
- Weight: 10 kg (shipping weight)
- SKU: MH
- Barcode: 700376106251
- HS Code: 90262080
Complete Gauge Range:
63mm Gauges (Bar/°C):
- MH — High-Pressure Gauge (this model)
- ML — Low-Pressure Gauge 63mm Bar/°C R22-134a-404/7-507
80mm Gauges (Bar/°C):
- MBH — High-Pressure Gauge 80mm Bar/°C R22-134a-404/7-507
- MBL — Low-Pressure Gauge 80mm Bar/°C R22-134a-404/7-507
63mm Gauges (Psi/Bar/°C):
- MRH — High-Pressure Gauge 63mm Psi/Bar/°C R12-22-134a-404A
- MRL — Low-Pressure Gauge 63mm Psi/Bar/°C R12-22-134a-404A
Compatible Manifold Sets:
- 33103-M — 2-Way Brass Manifold 63mm 5 Refrigerant Scales
- 33103-MR — 2-Way Brass Manifold 63mm 4 Refrigerant Scales
- 33636-M — Brass Manifold Set 63mm 5 Scales with 3 x 90cm Hoses
- 33636-MR — Brass Manifold Set 63mm 4 Scales with 3 x 90cm Hoses
Applications:
- Replacing worn or damaged high-pressure gauges
- Upgrading manifold gauge sets
- R22, R134a, R404A, R407C, R507A systems
- Air conditioning service
- Commercial refrigeration
- Heat pump installations
Why Replace Gauges?
Manifold gauges can become damaged or inaccurate over time due to pressure spikes, drops, or contamination. Replacing worn gauges ensures accurate pressure readings, which are critical for proper system diagnosis and charging. The ANTI-FLUTTER design provides stable readings even in challenging conditions.
What is ANTI-FLUTTER Design?
ANTI-FLUTTER technology dampens needle movement to provide stable, easy-to-read pressure measurements. This is especially important when working with systems that have pressure fluctuations or pulsations from compressor operation. The result is more accurate readings and easier system diagnosis.
High-Pressure vs Low-Pressure Gauges:
- High-Pressure (HP) - MH: Red gauge, measures discharge/high-side pressure (this model)
- Low-Pressure (LP) - ML: Blue gauge, measures suction/low-side pressure
Benefits:
- Accurate Readings – 1.6 gauge class ensures professional accuracy
- Stable Display – ANTI-FLUTTER design prevents needle bounce
- Multi-Refrigerant – Works with common refrigerants
- Easy to Read – Large 63mm dial with clear scales
- Direct Replacement – Fits standard manifold sets
- Protected – Rubber boot guards against damage
- Professional Quality – Built to Mastercool standards
How to Replace:
- Ensure manifold is depressurised
- Remove protective rubber boot from old gauge
- Unscrew old gauge from manifold body
- Inspect manifold threads for damage
- Install new gauge and tighten securely
- Install protective rubber boot
- Test for leaks before use
Maintenance:
- Protect gauges from pressure spikes
- Store manifold in protective case
- Avoid dropping or impact damage
- Keep gauge face clean for easy reading
- Replace if needle becomes stuck or inaccurate
- Calibrate periodically for accuracy
Professional Quality: Mastercool replacement gauges are manufactured to professional standards for accurate, reliable pressure measurement in demanding HVAC/R service environments. ANTI-FLUTTER design ensures stable readings for professional diagnostics.