Description
The Supco BC4 is a precision capillary tube designed for refrigerant flow metering and restriction in residential and commercial HVAC/R systems. With a 0.064-inch inner diameter and a generous 12-foot length, this capillary tube gives technicians the flexibility to cut to the exact length required for a wide range of refrigeration and air conditioning applications.
Product Overview
Capillary tubes serve as fixed metering devices in refrigeration systems, controlling the flow of liquid refrigerant from the high-pressure side to the low-pressure side of the system. The Supco BC4 is manufactured to tight dimensional tolerances to ensure consistent, reliable performance in field repairs and OEM replacement applications.
Key Features
- 0.064″ (1.63 mm) inner diameter for precise refrigerant flow restriction
- 12-foot length provides ample material for multiple cuts or custom sizing
- Compatible with a wide range of refrigerants used in residential and light commercial systems
- Manufactured by Supco, a trusted name in HVAC/R replacement components
- Ideal for field service repairs, system retrofits, and OEM replacement
Typical Applications
- Refrigerators and freezers
- Window and room air conditioners
- Residential split and package systems
- Light commercial refrigeration equipment
- Any system using a capillary tube as the metering device
Why Choose Supco
Supco has been a leading supplier of HVAC/R replacement parts and components for decades. Their capillary tubes are produced to exacting standards, ensuring proper inner diameter consistency and clean, burr-free tubing that installs reliably every time.







Reviews
There are no reviews yet.