Aqua Ultraviolet – Replacement Union Half 2" (Black)

Overview

OEM replacement 2" union half for Aqua Ultraviolet UV sterilizers and filters. Quickly restores a secure, leak-free connection when a union half is cracked, cross-threaded, or missing.

Key Features

• Genuine Aqua Ultraviolet 2" union half

• Fresh, properly sized O-ring included for drip-tight sealing

• Durable, chemical- and UV-resistant black polymer

• Enables fast, tool-light disassembly for maintenance or winterizing

Compatibility

• Fits Aqua Ultraviolet Classic / SL / Ultima components that use 2" slip/socket unions

• Matches the opposite factory union half on your unit (confirm style before ordering)

Specifications

• Size: 2" union half (single side)

• Ends: Slip/socket to mate with factory union body

• Seal: 2" O-ring (included)

• Color/Material: Black, corrosion-resistant engineered polymer

• Use: External plumbing; non-submersible part

What’s Included

• (1) 2" union half — black

• (1) 2" union O-ring

Installation Notes

1. Shut off pump and relieve pressure.

2. Separate union; remove old O-ring and clean groove/sealing faces.

3. Lightly lube the new O-ring with silicone-safe grease; seat evenly.

4. Hand-tighten, then snug—do not overtighten.

5. Pressurize and leak-test.