Factory lamp kit for the Aqua Ultraviolet VIPER 400W (3" plastic) sterilizer. Restores peak germicidal performance in high-flow, large-system applications using a single high-output, low-pressure (amalgam) UV-C lamp.
Genuine Aqua UV 400-watt HO UV-C lamp for VIPER 3" plastic housings
Matched components to maintain proper fit, sealing, and UV dose
Fast, service-friendly swap to keep downtime to a minimum
Supports clear water and pathogen reduction in demanding, high-GPH systems
For VIPER 400W UV sterilizers with the 3" plastic body
Not for stainless units or other wattages (800W/1200W)
Lamp Power: 400 W (low-pressure UV-C, amalgam)
Peak Wavelength: ~254 nm germicidal
Housing Fit: 3" plastic VIPER assembly
Service Life: Replace ~9–12 months of continuous use (or per meter/dose targets)
(1) 400W UV-C lamp (VIPER, 3" plastic fit)
(1) Set of end seals/O-rings matched to the lamp end assembly
(1) Quartz end cap/insulator or hardware as required for this kit (model dependent)
Quick install sheet
Contents may vary slightly by production run; all parts are OEM and matched for the 3" plastic VIPER 400W.
Power OFF and lock out the circuit; allow the unit to cool.
Isolate and depressurize plumbing; drain the UV chamber.
Open end assembly, remove old lamp and seals; do not touch new lamp glass with bare hands.
Inspect/clean the quartz sleeve; replace if etched or cracked.
Install new seals lightly lubricated with silicone-safe grease; seat squarely.
Reassemble hand-tight, then snug—do not overtighten.
Restore flow, then power ON and verify operation; check for leaks after first run.