


🔧 Elevate your system with C&D’s golden standard in access valves!
The C&D Copper Access Valve CD3604/6 is a professional-grade set of six 1/4" copper tube extensions featuring durable brass wrench flare caps and 1/8" MPT threads. Designed for reliable, leak-proof connections, these valves combine premium materials and trusted craftsmanship to meet the demands of HVAC and plumbing professionals.
| Material | Copper |
| Brand | C&D Valve |
| Color | Gold |
| Connector Type | Flare |
| Exterior Finish | Brass |
| Thread Type | NPT |
| Number of Pieces | 6 |
| Manufacturer | C&D Valve |
| UPC | 682248111566 |
| Part Number | CD3604/6 |
| Item Weight | 5.7 ounces |
| Package Dimensions | 4.57 x 3.07 x 0.43 inches |
| Item model number | CD3604/6 |
| Batteries Required? | No |
R**.
Made in America 🇺🇸
I have been using this brand for 40 years and never had a problem. Made in 🇺🇸🇺🇸
A**Y
Tubes are difficult to swage
These are decent quality like most other C&D products. Made in the USA. The only concern is that the tubes are made from a hard brass-like material and are very difficult to swage or bend. I wish that they used regular soft copper piping for these access valves.
Trustpilot
2 days ago
2 weeks ago