Lampa uv sterilizare de tip Preheat care este operata de un circuit de preincalzire care utilizeaza un balast relativ compact si economic. Circuitul de preincalzire necesita patru conexiuni electrice pe lampa si o intarziere usoara pana la moderata este necesara pentru pornirea lampii. Lampa UV Sterilizare GPH843T5L 4P SE are o gama larga de lampi echivalente sau compatibile pentru a va obtine cel mai ieftin sistem uv .
Este Made in SUA iar durata de viata este de 9000 ore de functionare. 

Sisteme si lampi UV echivalente sau compatibile:
Alpine Corporation PLFU40, PLUV10800
AquaPro Industrial UV12GPM-H, UV12GPM-HTM
Aqua Treatment Services, Inc. ATS4-843, ATS4-854
Aqua Ultraviolet 40 Watt, A20040 ATS ATS4-843 ATS ATS4-854
CureUV 194114
Current-USA, Inc./Gamma UV Model 1324, 1403
Excelight Technologies, Inc. EL1129L
Eurotrol HA508 (W-720 , FC-12)
Hydro Guard Water Sciences GL39SE4P
HydroNix GL39SE4P
Polaris Scientific UV GL39SE4P, UV UV-100B, UV UV-12C, UV-24B, UV-36B, UV-50B, UV-60B, UV-80B
Pura Water Products, LLC 89502, LLC UVSS-15, LLC UVSS-15M
R Can 12QA, S24QA,S24QAUV, S8RL/4P, SUV 24-1000
Safe Water Technologies LMPUVR15, UVR15, UVR15-M, UVR15-T
Samkun Century Co. Ltd. JSA-3000, JSA-5000
Sterilight 12QA, S24QA, S24QAUV, S8RL/4P, SUV 24-1000
UltraViolet Devices Inc. 07-4005, 40-4331-03 
UVDI 07-4005, 40-4331-03 
Waterite Technologies, Inc. EL1129L 
Watts Water Technology Company HSFS-5, HSFSLAMP, SUV 24-1000, WUV 12
Wonder Light Industry PC-12