Gecko Barrel Union Set 40mm for CMS Circulation Pump

Product Description

The Gecko Barrel Union Set 40mm is a genuine replacement union kit designed specifically for Gecko CMS circulation pumps using 40 mm metric plumbing.

This barrel‑style union set provides a secure, watertight connection between the circulation pump and spa plumbing, allowing easy pump removal for servicing or replacement without cutting pipework. Manufactured to Gecko’s OEM specifications, it ensures correct fitment, long‑term durability, and reliable sealing in hot tub and spa environments.

Ideal for replacing cracked, worn, or leaking unions, this set is commonly used on CMS series circulation pumps found in many modern spas equipped with Gecko control systems.

Key Features:

• Genuine Gecko OEM union set
• Designed for CMS circulation pumps
• 40mm metric barrel union connection
• Enables easy pump servicing and removal
• Durable construction for spa environments
• Suitable for hot tubs and spas using metric plumbing