90067-220

The Flagship: Maximum Capacity for Large Commercial Systems

The Mastercool 90067-220 is the flagship of the professional vacuum pump range. With an impressive 178 litres per minute displacement and robust 1/2 HP motor, this powerhouse handles large commercial systems, multiple simultaneous evacuations, and the most demanding professional applications. Durable, time-tested, and built to deliver years of reliable service under the most gruelling conditions.

Maximum Capacity Two-Stage Performance

With 178 litres per minute displacement at 50Hz, the 90067 is the ultimate choice for large systems and high-volume professional work. The powerful 1/2 HP motor ensures quick, easy start-up even in cold conditions, whilst the two-stage design achieves 25 microns ultimate vacuum. This is the pump for technicians who work on systems with 2.25 kg charge capacity and above.

Built for Large Systems and High-Volume Work

The 90067 is specifically designed for systems with 2.25 kg charge capacity and above — perfect for:

• Large commercial HVAC installations
• Multi-unit residential systems
• Industrial refrigeration equipment
• Large walk-in coolers and freezers
• Supermarket refrigeration systems
• Multiple simultaneous evacuations
• High-volume service operations
• Commercial automotive A/C service

Powerful 1/2 HP Motor

The robust 1/2 HP motor provides several critical advantages:

• Quick Cold Start-Up — Starts easily even in cold workshop conditions or winter weather
• Sustained Performance — Maintains full capacity during extended evacuation cycles
• Heavy-Duty Reliability — Built for continuous professional use
• Faster Evacuation — More power means quicker pull-down times on large systems

Professional Features for Demanding Work

• Manifold Isolation Valve — Isolates pump from the system for leak testing without disconnecting hoses
• Three Inlet Ports — 1/4" SAE, 3/8" SAE, and 1/2" ACME (for automotive R134a systems) provide maximum flexibility
• Gas Ballast Valve — Helps prevent oil contamination caused by high moisture content in large systems
• Advanced Cooling System — High-volume fan and cooling fins maintain optimal temperature during extended operation
• Large Oil Reservoir — 708ml capacity for extended service intervals
• Easy Maintenance — Removable vapour discharge/oil fill port and accessible drain valve
• Oil Level Monitoring — Large sight glass with max/min indicators
• Thermal Protection — Motor protection with on/off rocker switch
• Check Valve Protection — Prevents oil back-flow into the system

Durable Construction for Professional Use

• Refined Cartridge Machining — Improved surface finish extends pump life and reduces wear
• Expanded Internal Oil Path — Minimises friction and heat buildup during operation
• Upgraded Seals — Ensures maximum vacuum performance down to 25 microns
• U.S. Designed and Tested — American engineering with proven reliability
• Heavy-Duty Construction — Built to withstand continuous professional use

Built for Professional Reliability

• Robust Design — Easy-grip handle and reinforced base (16 kg) for stable positioning
• Professional Footprint — 41 x 15.5 x 27.5 cm dimensions balance capacity with workshop practicality
• 220V 50/60Hz Power — UK/European standard (Schuko cable)
• Multiple Connection Options — Manifold with 1/4" SAE, 3/8" SAE, and 1/2" ACME ports

Technical Specifications

• Stages: Two-stage
• Free Air Displacement: 178 lit/min (50 Hz), 213 lit/min (60 Hz)
• Ultimate Vacuum: 25 microns*
• Motor: 1/2 HP, 1425 RPM (50 Hz), 1725 RPM (60 Hz)
• Power: 220V, 50/60 Hz (Schuko cable)
• Weight: 16 kg (35.5 lbs)
• Dimensions: 41 x 15.5 x 27.5 cm
• Oil Capacity: 708 ml (24 oz)
• Connections: Manifold with 1/4" SAE, 3/8" SAE, 1/2" ACME ports
• System Capacity: 2.25 kg charge capacity and above
• Features: Manifold isolation valve, gas ballast valve, check valve, three inlet ports, 1/2 HP motor

Service Information

• Oil Capacity: 708 ml (24 oz)
• Replacement Cartridge: 90167-R
• Seal Service Kit: 90062-11-SEAL
• Recommended Oil: Mastercool vacuum pump oil (90024-6 or 90032-6)

When Maximum Capacity Matters

The 90067 is the pump of choice when:

• System Size — Working on large commercial systems with 2.25 kg+ charge capacity
• Time Savings — Need to evacuate large systems quickly to maximise productivity
• Multiple Systems — Running multiple simultaneous evacuations in a busy workshop
• Professional Reputation — Your business demands the best equipment
• Cold Conditions — Reliable start-up in cold workshops or winter weather
• High-Volume Work — Continuous professional use day after day
• Future-Proofing — Investment in capacity you'll grow into

The Professional's Flagship

The 90067-220 represents the pinnacle of professional vacuum pump performance. With 178 litres per minute capacity, a powerful 1/2 HP motor, and robust construction, this is the pump for serious professionals who work on large commercial systems or high-volume operations. When your reputation depends on having the right equipment for any job, the 90067 delivers.

Perfect for:

• Commercial HVAC contractors working on large systems
• Industrial refrigeration service and installation
• Supermarket and cold storage facility maintenance
• High-volume service operations
• Multi-unit residential installations
• Automotive service centres handling commercial vehicles
• Professional workshops requiring maximum capacity
• Technicians who demand the best and most powerful equipment

Investment in Professional Excellence

The 90067-220 is the flagship for good reason. It's the pump you choose when system size, evacuation speed, and professional reliability are non-negotiable. With its powerful 1/2 HP motor, massive 178 lit/min capacity, and durable construction, it's built to handle whatever your business demands — today and for years to come.

*Note: Micron readings represent optimal laboratory conditions. Field conditions may vary.

The flagship of professional vacuum pumps. Maximum capacity, maximum reliability. Technical documentation and parts lists available for download above.