NWTS Quartz Sleeve for NWTS-UV5-21

Maintaining dependable ultraviolet disinfection means keeping the quartz sleeve clear and intact, and the NWTS Quartz Sleeve for the NWTS-UV5-21 is the correct replacement for higher-flow systems rated at 21 GPM. Built for Luminor-based NWTS UV units, this sleeve restores full ultraviolet transmission so the lamp can continue delivering the dose needed to inactivate bacteria, viruses, and other waterborne microorganisms.

High-Purity Quartz Built for the Field

In a UV system, the quartz sleeve houses the lamp and keeps it dry while letting ultraviolet energy reach the surrounding water. This sleeve is made from pure GE214 quartz, or an equivalent grade chosen for its excellent UV transparency, and its ends are fire polished to eliminate the stress cracking that causes premature sleeve failure. Each piece is dimensionally marked for quick field identification, helping technicians verify they have the right sleeve for the 21 GPM NWTS-UV5-21 system before installation.

• Replacement quartz sleeve for the NWTS-UV5-21 (21 GPM) system
• Pure GE214 quartz or equivalent for strong UV transmission
• Fire-polished ends to prevent stress cracking
• Dimensionally marked for easy field identification
• Ships with free replacement o-rings for proper sealing
• Alternate part reference NWTS-UV NQ-850

Even with a healthy lamp, a UV system loses effectiveness when the sleeve is coated in scale, clouded with film, or compromised by scratches or cracks. These conditions reduce the ultraviolet energy reaching the water, so the system may appear to be working while actually delivering an inadequate dose. Replacing the sleeve at the recommended interval, and keeping it clean between changes, is fundamental to preserving the microbiological safety that a UV system is installed to provide for a household or facility.

The included free replacement o-rings let you reseal the UV chamber correctly and prevent leaks during reassembly. For a qualified technician the procedure is direct: depressurize the unit, power down the lamp, carefully withdraw the old sleeve, and fit the new one with fresh o-rings, handling the quartz only at the ends to avoid transmission-robbing fingerprints. With a clean, undamaged NWTS quartz sleeve installed, the higher-capacity NWTS-UV5-21 can maintain the consistent ultraviolet dose that whole-home and light commercial disinfection applications depend on for reliably treated, safe water at every point of use throughout the system.