Mastercool 90066-SV-220 — Universal Solenoid Valve and Gauge Assembly

Universal solenoid valve and gauge assembly that can be assembled on any vacuum pump for protection of pump and systems with full control by solenoid valve. The integrated gauge assembly allows for vacuum leak testing, providing comprehensive vacuum system monitoring and control in a single unit.

Key Features:

• Universal Compatibility – Can be assembled on any vacuum pump
• Solenoid Valve Control – Full control of vacuum pump operation
• Integrated Gauge – Allows for vacuum leak testing
• Pump Protection – Protects pump and systems from contamination
• 3/8" NPT Vacuum Port – Standard vacuum connection
• 1/4" Flare Hose Port – Standard HVAC/R hose connection
• 220V Operation – For European/UK electrical systems
• Professional Grade – Built to Mastercool standards

Specifications:

• Model: 90066-SV-220
• Type: Universal solenoid valve and gauge assembly
• Voltage: 220V
• Vacuum Connection: 3/8" NPT port
• Hose Connection: 1/4" flare port
• Application: Vacuum pump control and leak testing
• Gauge: Integrated vacuum gauge
• SKU: 90066-SV-220
• Barcode: 700376114546
• HS Code: 84148080

Connection Ports:

3/8" NPT Vacuum Connection Port

Standard 3/8" NPT (National Pipe Thread) connection for attaching to vacuum pump inlet. This port connects the solenoid valve assembly to your vacuum pump, allowing controlled vacuum operation.

1/4" Flare Hose Connection Port

Standard 1/4" flare connection for HVAC/R service hoses. This port connects to your manifold gauge set or directly to the system being evacuated.

Compatible Vacuum Pumps:

This universal assembly works with any vacuum pump. Popular compatible Mastercool 220V vacuum pumps include:

• 90066-2V-220BL — Black Series 6 CFM Two-Stage Vacuum Pump
• 90067-220 — Professional 2-Stage Vacuum Pump 178 lit/min
• 90065-220 — Professional 2-Stage Vacuum Pump 119 lit/min
• 90059-220 — Economy Vacuum Pump 35 lit/min

Applications:

• Vacuum pump automation and control
• HVAC/R system evacuation with leak testing
• Refrigeration service and maintenance
• Vacuum leak detection and verification
• Pump protection from system contamination
• Automated evacuation procedures
• Workshop vacuum pump installations

Why Use a Solenoid Valve Assembly?

• Pump Protection – Prevents system contamination from entering pump
• Automated Control – Solenoid valve enables automatic vacuum control
• Leak Testing – Integrated gauge allows vacuum decay testing
• Professional Setup – Provides complete vacuum monitoring and control
• Time Saving – Automated operation reduces manual intervention
• System Safety – Protects both pump and A/C system

Installation Notes:

*Note: Some internal wiring assembly necessary

Installation requires basic electrical wiring to connect the solenoid valve to your control system or timer. The solenoid valve operates on 220V and should be wired according to local electrical codes and safety standards. Consult a qualified electrician if you're not familiar with electrical installations.

Vacuum Leak Testing:

The integrated gauge assembly allows you to perform vacuum leak tests by monitoring vacuum decay. After evacuating the system to the desired vacuum level, close the solenoid valve and monitor the gauge. A stable vacuum reading indicates a leak-free system, whilst a rising pressure indicates a leak that must be located and repaired.

Related Components:

• 90160-220 — Vacuum Pump Solenoid Switch 220V
• 90068-2V-220SVB — 227 L/min Vacuum Pump Solenoid Valve 220V

Replacement Parts:

• 90066-SV-G — Replacement gauge for universal solenoid valve and gauge assembly

Maintenance:

Keep connections clean and free from debris. Inspect gauge regularly for accuracy. Test solenoid valve operation periodically. Replace gauge if damaged or inaccurate readings occur. Store in a clean, dry location when not in use.

Universal solenoid valve and gauge assembly for vacuum pump control and leak testing. Features 3/8" NPT vacuum port, 1/4" flare hose port, and integrated gauge. 220V operation for UK/European systems.