Description
The Copeland 064991 (Model ACK-18) is a 1-1/8″ sweat check valve engineered for dependable one-directional refrigerant flow control in commercial and residential HVAC and refrigeration systems. Designed and built to Copeland’s exacting standards, this valve combines a precision check valve with a built-in 30 mesh stainless steel strainer — eliminating the need for a separate inline strainer and simplifying system installation.
Key Features
- 1-1/8″ sweat (ODS) connection for easy copper tubing installation
- Integrated 30 mesh stainless steel strainer protects downstream components from debris and particulates
- Prevents refrigerant backflow, protecting compressors and system components
- Durable construction built to Copeland quality standards
- Compact, two-in-one design reduces installation time and system complexity
- Compatible with a wide range of refrigerants used in HVAC and refrigeration applications
- Model ACK-18 | SKU 064991
Applications
- Commercial and residential refrigeration systems
- Air conditioning and heat pump systems
- Compressor suction and discharge line protection
- Any refrigerant circuit requiring backflow prevention and particulate filtration
Why Choose the Copeland ACK-18?
The built-in 30 mesh stainless steel strainer sets this check valve apart from standard units — it catches system debris before it can reach sensitive components such as expansion valves and compressors, extending equipment life and reducing service calls. The sweat connection ensures a leak-free, permanent joint that meets professional installation standards.
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