GPH436T5L/4 4 Pin

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


Watts: 21 Watts
Length: 436 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: GPH436T5L/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 a replacement lamp for the following Atlantic Ultraviolet Corporation® Ultraviolet Products:

Brand Model
AeroLogic® Aero-16
Bio-Logic® BIO-3.0
Tank Master TM22

If you are looking to purchase replacement parts for your MINIPURE® MIN-6 or Bio-Logic® BIO-3.0, consider buying our maintenance kits which contain a replacement lamp, quartz sleeve, and O-rings.

[   MINIPURE® MIN-6 Maintenance Kit   |   Bio-Logic® Bio-3.0 Maintenance Kit   ]

This lamp is an equivalent replacement lamp for the following:

Brand Model
Aqua Treatment Services ATS4-436
Aqua Ultraviolet 25 Watt, A20025
AquaPro Industrial UV6-L
Current-USA / Gamma UV 25 Watt, UV1412
Evoqua Water Technologies LF6, W2T850795
Ideal Horizons 42016
Laguna 3200 UVC Filter, PT-1522
Lancaster Pump & Water Treatment LUV-7R
Polaris Scientific UV GL24SE4P
Pura Water 8880, 89570, ABUV-6, BUV-6, GN-6
Purely UV Products PUVLF435
Samkum Century Co. Ltd. JSA-1000
Siemens / Sunlight LP4290
Tipton Environmental International LP4290
Ultraviolet Purification EP1XS, L14UT4
Ushio 3000350, G22T5L/4P
UV-Guard 11026
Watertec Enterprise LS436T5L, UV6A
Watts Water Technology WUV 6
Wyckomar RL-23/436T5, UV-250

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:
Atlantic UV Product Line:
AeroLogic, Bio-Logic, Minipure, Tank Master
Base Category (Pins per End):
4 Pin Base
Cross Reference Brands A:
Atlantic Ultraviolet MIN-6, Aqua Treatment Service ATS4-436, Aqua Ultraviolet - Aqua UV 25 Watt, Atlantic Ultraviolet BIO-3.0, ATS ATS4-436
Cross Reference Brands G to O:
Hydro-Safe HSUV-SS-5-1, Gamma Current USA 25 Watt, Gamma Current USA UV1412, Ideal Horizons 42016, Lancaster Pump LUV-7R
Cross Reference Brands P to S:
Purely UV Products PUVLF435, Samkun Century JSA-1000, Savio Uvinex SUV025, Siemens LP4290, SterLRay BIO-3.0, SterLRay MIN-6, Sunlight LP4290
Cross Reference Brands T to Z:
Tipton Environmental LP4290, Ultraviolet Purification EP1XS, Ultraviolet Purification L14UT4, WaterTec LS436T5L, WaterTec UV6A, Watts HSUV-SS-5-1, Watts WUV 6, Wyckomar RL-23/436T5, Wyckomar UV-250
Lamp Length:
12 - 24 in. (306 - 610mm)
Ozone Producing:
Replacement Part Type:
Part Type Equipment Brand Model / Part #
Lamp Aero-Logic Aero-16
Lamp AquaPro Industrial UV6-L
Lamp Aqua Treatment Services, Inc. ATS4-436
Lamp Aqua Ultraviolet 25 Watt
Lamp Aqua Ultraviolet A20025
Lamp Atlantic Ultraviolet Corporation Aero-16
Lamp Atlantic Ultraviolet Corporation BIO-3.0
Lamp Atlantic Ultraviolet Corporation MIN-6
Lamp Atlantic Ultraviolet Corporation TM22
Lamp ATS ATS4-436
Lamp Bio-Logic BIO-3.0
Lamp Current-USA, Inc. 25 Watt
Lamp Current-USA, Inc. UV1412
Lamp Evoqua Water Technologies LLC LF6 - Standard
Lamp Evoqua Water Technologies LLC W2T850795
Lamp Gamma UV 25 Watt
Lamp Gamma UV UV1412
Lamp Ideal Horizons 42016
Lamp Laguna 3200 UVC Filter
Lamp Laguna PT-1522
Lamp Lancaster Pump & Water Treatment LUV-7R
Lamp Minipure MIN-6
Lamp Polaris Scientific UV GL24SE4P
Lamp Pura Water Products, LLC 8880
Lamp Pura Water Products, LLC 89570
Lamp Pura Water Products, LLC ABUV-6
Lamp Pura Water Products, LLC BUV-6
Lamp Pura Water Products, LLC GN-6
Lamp Purely UV Products PUVLF435
Lamp Samkun Century Co. Ltd. JSA-1000
Lamp SAVIO SUV025 Uvinex
Lamp Siemens LP4290
Lamp Ster-L-Ray 05-1370-R
Lamp Ster-L-Ray BIO-3.0
Lamp Ster-L-Ray GPH436T5L/4
Lamp Ster-L-Ray MIN-6
Lamp Sunlight LP4290
Lamp Tank Master TM22
Lamp Tipton Environmental International Inc. LP4290
Lamp Ultraviolet Purification EP1XS
Lamp Ultraviolet Purification L14UT4
Lamp Ushio 3000350
Lamp Ushio G22T5L/4P
Lamp UV-Guard 11026
Lamp Watertec Enterprise LS436T5L
Lamp Watertec Enterprise UV6A
Lamp Watts Water Technology Company WUV6
Lamp Wyckomar Inc. RL-23/436T5
Lamp Wyckomar Inc. UV-250