Mastercool 33772-MR — Brass Manifold Set with 63mm Gauges & 180cm Hoses

Professional 2-way brass manifold gauge set with 63mm gauges (4 refrigerant scales: R134a, R22, R12, R404A) and 3 x 180cm (72") hoses. Forged brass construction with free-floating piston valves for superior performance and extended reach applications.

Complete Kit Includes:

• Brass manifold body with 63mm gauges (MRBH-MRBL)
• 3 x 180cm (72") standard charging hoses
• User manual

Key Features:

• 63mm Gauges – Large, easy-to-read dials for accurate pressure readings
• 4 Refrigerant Scales – R134a, R22, R12, R404A
• 180cm (72") Hoses – Extra-long reach for difficult installations
• Forged Brass Body – Superior strength and corrosion resistance
• Free-Floating Piston Valves – Reduced wear compared to twisting piston valves
• Double O-Ring Seals – Better sealing, fewer leaks
• 1.6 Gauge Class – Professional accuracy standards

Specifications:

• Model: 33772-MR
• Gauge size: 63mm
• Gauge part numbers: MRBH-MRBL
• Refrigerant scales: 4 (R134a, R22, R12, R404A)
• Body material: Forged brass
• Valve type: Free-floating piston valves
• Hose length: 3 x 180cm (72")
• Hose fittings: 1/4" SAE
• Gauge class: 1.6
• Weight: 10 kg
• SKU: 33772-MR
• Barcode: 700376100235
• HS Code: 90262080

Related 63mm Manifold Sets (4 Scales - MRBH-MRBL):

Manifold Body Only:

• 33103-MR — 2-Way Brass Manifold 63mm 4 Scales (manifold only)

With 90cm Hoses:

• 33636-MR — Brass Manifold Set 63mm with 3 x 90cm Hoses

With 150cm Hoses:

• 33661-MR — Brass Manifold Set 63mm with 3 x 150cm Hoses

With 180cm Hoses:

• 33772-MR — Brass Manifold Set 63mm with 3 x 180cm Hoses – This product

With Gauge Protectors:

• 33103-MRG — Brass Manifold 63mm 4 Scales with Gauge Protectors

Other 63mm Gauge Options:

• 33636-E — Brass Manifold Set 63mm (R410A, R407C, R22)
• 33636-M — Brass Manifold Set 63mm 5 Scales (R134a, R404A, R407C, R22, R507A)

80mm Gauge Alternative:

• 33772-MRB — Brass Manifold Set 80mm 4 Scales with 3 x 180cm Hoses

Replacement Gauges:

• MRBH — High-Pressure Gauge 63mm (R134a, R22, R12, R404A)
• MRBL — Low-Pressure Gauge 63mm (R134a, R22, R12, R404A)

Applications:

• R134a automotive and refrigeration service
• R22 air conditioning service and retrofit
• R12 legacy system maintenance
• R404A commercial refrigeration
• System charging and recovery
• Pressure diagnostics
• Long-reach installations

Why Choose 180cm (72") Hoses?

• Maximum Reach – Access difficult installations without strain
• Commercial Applications – Ideal for large equipment and rooftop units
• Reduced Movement – Less need to reposition equipment during service
• Professional Standard – Preferred length for commercial HVAC/R work
• Versatile – Suitable for both residential and commercial applications

Free-Floating Piston Valve Advantage:

Unlike traditional twisting piston valves, Mastercool's free-floating piston valves move straight in and out, resulting in less wear and tear, longer service life, and more reliable sealing over time.

Replacement Parts:

• 85215 — O-Rings (4 pieces)
• 85216 — Seal and Seat Assembly (2 pieces)

Optional Accessories:

• 58102-PBR — Plastic Carrying Case
• Gauge Protectors — Order 33103-MRG for version with protectors

Maintenance:

• Inspect hoses regularly for cracks or damage
• Check gauge accuracy annually
• Replace O-rings if leaks develop (part 85215)
• Keep valves clean and free from debris
• Store in protective case when not in use

Professional Quality: Mastercool brass manifold sets are built to professional standards for accurate, reliable performance in demanding HVAC/R service environments. Every manifold is built to last.