GPH843T5L/4 4 Pin

Part Number:
Lamp Category:
Ready to Ship - In Stock Ready to Ship - In Stock


Watts: 41 Watts
Length: 843 mm
Base: B16
Base Description: 4 Pin Single Ended (B16)
Qtz. OD: 15 mm
Wiring: Preheat
Output: Standard
Category: Preheat
Type: L
Wires: 2
Description: GPH843T5L/4
Note: Color of Lamp Base has no bearing on operation or use, and should not be considered when determining lamp needed.

This lamp is an equivalent replacement lamp for the following:

Brand Model
Alpine Corporation PLFU40, PLUV10800
American Ultraviolet GML102
AquaPro Industrial UV12-L, UV12GPM-H, UV12GPM-HT, UV12GPM-HTM
Aqua Treatment Services, Inc. ATS4-843, ATS4-854
Aqua Ultraviolet 40 Watt, A20040
CureUV 194114
Current-USA, Inc. Model 1324, Model 1403
EasyWater, Inc. EWUV-12, EWUVBulb12
Evoqua Water Technologies LLC LF12, W2T850797
Excelight Technologies, Inc. EL1129L
Gamma Current UV Model 1324, Model 1403
Glasco Ultraviolet L-572433, GUV-C15-Plus
Hydro Guard Water Sciences / HydroNix GL39SE4P
HydroNix GL39SE4P
Lancaster Pump & Water Treatment 20-6, LUV-20ES, LUV-50ES
Polaris Scientific UV GL39SE4P, UV-100B, UV-12C, UV-24B, UV-36B, UV-50B, UV-60B, UV-80B
Pura Water Products 89502, 89572, BUV-12, T540, UVSS-15, UVSS-15M
R-Can / Sterilight 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
UltraViolet Devices Inc. 07-4005, 40-4331-03
UVC-Lighting D842T5, UV1201S, UV2401
UVDI 07-4005, 40-4331-03
UV Superstore GL-5843-4S74R
Viqua S24QA, S24QAUV
Waterite Technologies, Inc. EL1129L
Watts Water Technology Company SUV 24-1000, WUV-12, WUVLAMP12, WUVLAMP-12
Wonder Light Industry PC-12, T540

Disclaimer: This is an Atlantic Ultraviolet Corporation® STER-L-RAY® brand lamp. It can be used as an equivalent replacement lamp for other brands.

ArmorLite™ Safety Shield is available for use with most STER-L-RAY ® Germicidal Ultraviolet Lamps. Contact our Ultraviolet Application Specialists to discuss the advantages of using germicidal lamps protected by the ArmorLite™ Safety Shield in your installation.

Our STER-L-RAY ® brand of Germicidal Ultraviolet Lamps can be used as equivalent replacement lamps for over 250 equipment brands and 5,000 models of ultraviolet equipment besides Atlantic Ultraviolet’s Air and Water Purifiers.

Can’t find lamp you are looking for? Each of our UV Application Specialists has access to an extensive cross referencing interface. Call us directly at 1-631-273-0500, Monday through Friday, 7am–6pm EST, email us at

Shipping Info

    Items marked "Ready to Ship - In Stock" are ready to ship and will do so promptly. Items marked "Varied Ship Date - Contact Us" are in production, and the ship date varies. Please place order & contact us for ship date.


Part Category:
Base Category (Pins per End):
4 Pin Base
Cross Reference Brands A:
Aqua Pro Industrial UV12GPM-H, Aqua Pro Industrial UV12GPM-HTM, Aqua Treatment Service ATS4-843, Aqua Treatment Service ATS4-854, Aqua Ultraviolet - Aqua UV 40 Watt, ATS ATS4-843, ATS ATS4-854
Cross Reference Brands G to O:
Hydro-Safe HSUV-SS-12-1
Cross Reference Brands P to S:
Polaris Scientific UV GL39SE4P, Polaris Scientific UV UV-100B, Polaris Scientific UV UV-12C, Polaris Scientific UV UV-24B, Polaris Scientific UV UV-36B, Polaris Scientific UV UV-50B, Polaris Scientific UV UV-60B, Polaris Scientific UV UV-80B, R-Can 12QA, R-Can S24QA, R-Can S24QAUV, R-Can S8RL/4P, R-Can SUV 24-1000, Samkun Century JSA-3000, Samkun Century JSA-5000, Sterilight 12QA, Sterilight S24QA, Sterilight S24QAUV, Sterilight S8RL/4P, Sterilight SUV 24-1000
Cross Reference Brands T to Z:
Ultraviolet Devices Inc 07-4005, Ultraviolet Devices Inc 40-4331-03, UVDI 07-4005, UVDI 40-4331-03, Watts HSUV-SS-12-1, Watts SUV 24-1000, Watts WUV 12
Lamp Length:
24 - 36 in. (611 - 914mm)
Ozone Producing:
Part Type Equipment Brand Model / Part #
Lamp Alpine Corporation PLFU40
Lamp Alpine Corporation PLUV10800
Lamp American Ultraviolet, Inc. GML102
Lamp AquaPro Industrial UV12GPM-H
Lamp AquaPro Industrial UV12GPM-HT
Lamp AquaPro Industrial UV12GPM-HTM
Lamp AquaPro Industrial UV12-L
Lamp Aqua Treatment Services, Inc. ATS4-843
Lamp Aqua Treatment Services, Inc. ATS4-854
Lamp Aqua Ultraviolet 40 Watt
Lamp Aqua Ultraviolet A20040
Lamp ATS ATS4-843
Lamp ATS ATS4-854
Lamp CureUV 194114
Lamp Current-USA, Inc. Model 1324
Lamp Current-USA, Inc. Model 1403
Lamp EasyWater EWUV-12
Lamp EasyWater EWUVBulb12
Lamp Evoqua Water Technologies LLC LF12
Lamp Evoqua Water Technologies LLC W2T850797
Lamp Excelight Technologies, Inc. EL1129L
Lamp Gamma UV Model 1324
Lamp Gamma UV Model 1403
Lamp Glasco Ultraviolet GUV-C15-Plus
Lamp Glasco Ultraviolet L-572433
Lamp Hydro Guard Water Sciences GL39SE4P
Lamp HydroNix GL39SE4P
Lamp Lancaster Pump & Water Treatment 20-6
Lamp Lancaster Pump & Water Treatment LUV-20ES
Lamp Lancaster Pump & Water Treatment LUV-50ES
Lamp Polaris Scientific UV GL39SE4P
Lamp Polaris Scientific UV UV-100B
Lamp Polaris Scientific UV UV-12C
Lamp Polaris Scientific UV UV-24B
Lamp Polaris Scientific UV UV-36B
Lamp Polaris Scientific UV UV-50B
Lamp Polaris Scientific UV UV-60B
Lamp Polaris Scientific UV UV-80B
Lamp Pura Water Products, LLC 89502
Lamp Pura Water Products, LLC 89572
Lamp Pura Water Products, LLC ABUV-12
Lamp Pura Water Products, LLC BUV-12
Lamp Pura Water Products, LLC T540
Lamp Pura Water Products, LLC UVSS-15
Lamp Pura Water Products, LLC UVSS-15M
Lamp R Can 12QA
Lamp R Can S24QA
Lamp R Can S24QAUV
Lamp R Can S8RL/4P
Lamp R Can SUV 24-1000
Lamp Safe Water Technologies LMPUVR15
Lamp Safe Water Technologies UVR15
Lamp Safe Water Technologies UVR15-M
Lamp Safe Water Technologies UVR15-T
Lamp Samkun Century Co. Ltd. JSA-3000
Lamp Samkun Century Co. Ltd. JSA-5000
Lamp Sterilight 12QA
Lamp Sterilight S24QA
Lamp Sterilight S24QAUV
Lamp Sterilight S8RL/4P
Lamp Sterilight SUV 24-1000
Lamp Ster-L-Ray 05-1534-R
Lamp Ster-L-Ray GPH843T5L/4
Lamp UltraViolet Devices Inc. 07-4005
Lamp UltraViolet Devices Inc. 40-4331-03
Lamp UVC-Lighting D842T5
Lamp UVC-Lighting UV1201S
Lamp UVC-Lighting UV2401
Lamp UVDI 07-4005
Lamp UVDI 40-4331-03
Lamp UV Superstore, Inc. GL-5843-4S74R
Lamp Viqua S24QA
Lamp Viqua S24QAUV
Lamp Waterite Technologies, Inc. EL1129L
Lamp Watts Water Technology Company SUV 24-1000
Lamp Watts Water Technology Company WUV12
Lamp Watts Water Technology Company WUVLAMP12
Lamp Watts Water Technology Company WUVLAMP-12
Lamp Wonder Light Industry PC-12
Lamp Wonder Light Industry T540