Product details
WK-235 Dual Stage Vacuum Pump
The WK-235 Dual Stage Vacuum Pump is a professional evacuation solution designed for HVAC and refrigeration technicians who need faster pull-down times and dependable deep vacuum performance. Its dual stage configuration enables improved moisture and air removal, helping prepare systems accurately before refrigerant charging.
With pumping capacities of 3.5 CFM and 4.0 CFM, the WK-235 supports efficient evacuation for small to medium systems used in residential and light commercial applications. Built with durable internal components and a reliable motor, it delivers stable operation for daily professional use. Operating on 220V power and supplied with a P04 plug, it is suitable for both workshop and on-site service environments.
Key Benefits
Dual stage design for deeper and faster evacuation
Efficient airflow with 3.5 CFM and 4.0 CFM capacity
Improves removal of air and moisture before charging
Stable and reliable performance for HVAC service work
Durable construction for long-term professional use
Specifications
Product Type: Dual Stage Vacuum Pump
Model: WK-235
Vacuum Stages: Dual stage
Pumping Capacity: 3.5 CFM / 4.0 CFM
Power Supply: 220V
Plug Type: P04 plug
Application: HVAC and refrigeration systems
Applications
HVAC system evacuation
Refrigeration system commissioning
Air and moisture removal prior to refrigerant charging
Maintenance and repair service work
Professional workshop and on-site use
FAQs
What does dual stage mean in the WK-235
Dual stage operation uses two pumping stages to achieve a deeper vacuum and faster evacuation
What airflow capacity does the WK-235 provide
It provides 3.5 CFM and 4.0 CFM pumping capacity
Is this pump suitable for HVAC and refrigeration systems
Yes it is designed specifically for HVAC and refrigeration evacuation tasks
What power supply is required
The pump operates on 220V power and comes with a P04 plug
Is the WK-235 suitable for professional technicians
Yes it is built for regular professional service and maintenance work





