The Mueller Industries A-18572U is a 3/8″ ISO (isolation) valve equipped with an integrated service port, designed for use in refrigeration and air conditioning systems. This valve provides technicians with a dependable means of isolating refrigerant circuits during installation, maintenance, and service procedures, while the built-in service port allows for convenient access to system pressures without the need for additional fittings.
Key Features
- 3/8″ connection size for compatibility with common refrigerant line sizes
- ISO valve design for positive refrigerant isolation
- Integrated service port for quick and easy system access during servicing
- Durable construction from Mueller Industries — a trusted name in HVAC and refrigeration components
- Suitable for use in air conditioning and refrigeration applications
Applications
- Residential and light commercial air conditioning systems
- Refrigeration equipment service and maintenance
- Refrigerant circuit isolation during system repairs or component replacement
Product Details
- Brand: Mueller Industries
- SKU: A-18572U
- Connection Size: 3/8″
- Type: ISO Valve with Service Port








