Aqua Ultraviolet – Union Ring, 2" (Black)

Overview

OEM replacement 2" union ring (nut) for Aqua Ultraviolet UV sterilizers and filters. Restores a secure, serviceable connection when the original ring is cracked, stripped, or missing.

Key Features

• Genuine Aqua Ultraviolet 2" union ring

• Durable, chemical- and UV-resistant black polymer

• Knurled/ergonomic profile for easy hand-tightening

• Works with factory union halves and O-rings for drip-tight seals

Compatibility

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

• Matches factory 2" union body/half and standard 2" union O-ring (O-ring not included)

Specifications

• Part: Union ring (nut) — 2", black

• Material: Corrosion-resistant engineered polymer

• Use: External plumbing; non-submersible part

What’s Included

• (1) 2" black union ring (nut only; O-ring and tailpieces sold separately)

Installation Notes

1. Inspect mating union faces and replace the O-ring if flattened or cracked.

2. Lightly lube O-ring with silicone-safe grease, seat in groove.

3. Align union halves and thread the union ring on hand-tight, then snug—do not overtighten.

4. Pressurize and leak-test.