Sea Tech 3585-18 End Return 1" CTS Push-to-Connect Fitting Bulk

The Sea Tech 3585-18 is a 1" CTS (Copper Tube Size) End Return push-to-connect fitting designed for use in RV, marine, and residential fresh water plumbing systems. Sold in bulk packaging, this fitting is ideal for contractors and technicians who require a reliable, high-volume supply for water line installations and repairs.

Sea Tech push-to-connect fittings feature a tool-free, instant-connect design that accepts both rigid copper tubing and flexible plastic tubing (polyethylene, PEX) to CTS dimensions. The End Return configuration allows a water line to be looped or terminated cleanly, making it well-suited for tight spaces and complex plumbing layouts common in RVs and boats.

Key Features:

• 1" CTS (Copper Tube Size) connection — compatible with copper, PEX, and polyethylene tubing
• Push-to-connect design for fast, tool-free installation
• End Return configuration for looping or terminating water lines
• Durable construction rated for fresh water plumbing applications
• Sold in bulk packaging — ideal for professional installers and high-volume use
• Compatible with Sea Tech and John Guest system components

Sea Tech fittings are a trusted standard in the RV and marine industries, offering leak-free performance and simplified installation compared to traditional solder or compression fittings.