Installation manual
11
Parts Breakdown — Buv Models
Item # Part Ref Description Qty For UV Model
89573 2 Quartz Sleeve, Buv-6 1 Buv-6
89574 2 Quartz Sleeve, Buv-8 1 Buv-8
89575 2 Quartz Sleeve, Buv-12 1 Buv-12
89577 3 Chamber Nut, Lamp Entry, Threaded 2 All Models
89578 5 O-Ring 2 All Models
89584 6 Countdown Timer, c/w Bracket 1 All Models
89579 7 Clip 2 All Models
89581 8 Flow Control, 6 GPM, 1/2” NPT 1 Buv-6
89582 8 Flow Control, 8 GPM, 3/4” NPT 1 Buv-8
89583 8 Flow Control, 12 GPM, 1” NPT 1 Buv-12
89570 9 Lamp, UV, Buv-6 1 Buv-6
89571 9 Lamp, UV, Buv-8 1 Buv-8
89572 9 Lamp, UV, Buv-12 1 Buv-12
89580 10 Ballast 1 All Models
89576 11 Strain relief 1 All Models
89585 12 Chamber Nut, c/w Stopper Bottom 1 All Models
Item # 8880 8881 8882
Model # Buv-6 Buv-8 Buv-12
Supplier Item # GN-6 GN-8 GN-12
NSF Rated Flow Rate @ 16mJ/
cm2 @ 70% UVT - usgpm (l/min)
5.5 (20.79) 7.8 (29.48) 12 (45.36)
Inlet and Outlet Size NPT 1/2” 3/4” 1”
Operating Pressure psi (kpa) 10-100 psi (69-689 kPa)
Operating Temperature Range 36 to 104° F (2 to 40° C)
Electrical 100-240V - 50/60Hz
Performance Data Sheet
While testing was performed under standard laboratory conditions, actual performance may vary.
This Class B system or component conforms to NSF/ANSI 55 for the supplemental bactericidal treatment disinfected public 
drinking water or other drinking water that has been tested and deemed acceptable for human consumption by the state or local 
health agency having jurisdiction. The system is only designed to reduce normally occuring non-pathogenic nuisance microorgan-
isms. Class B systems are not intended for treatment of contaminated water.
The system and installation shall comply with applicable state and local regulations
   Lamp life: 8000-9000 hours of operation approximate 
12 months of continuous service
   General installation conditions and needs: Avoid touch-
ing the sides of the quartz sleeve and lamp, handle by 
the ends only. Ultraviolet lamp and quartz sleeve are 
easily damaged.
    General operation and maintenance: Quartz sleeve is 
to be cleaned every 6-12 months and to be replaced 
every 24 months. UV lamp is to be replaced every year. 
1
1
9
3
11
10
2
8
5
12
7
6
5
4
5
System Tested and Certified by 
NSF International against NSF/
ANSI Standard 55 for Disinfection 
Performance, Class B










