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


Watts: 14 Watts
Length: 287 mm
Base: B4
Base Description: 2 Pin Mini Double Ended (B4)
Qtz. OD: 15 mm
Wiring: Preheat
Output: Standard
Category: Preheat
Type: L
Wires: 0
Description: GPH287T5L
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 Water Purifiers:

Brand Model

If you are looking to purchase replacement parts for your SANITRON® S17A or MIGHTY★PURE® MP16A, consider buying our maintenance kits which contain a replacement lamp, quartz sleeve, and O-rings.

SANITRON® S17A Maintenance Kit   |   Mighty★Pure® MP16A Maintenance Kit  ]

This lamp is an equivalent replacement lamp for the following:

Brand Model
American Ultraviolet GML125, GML335
Aquafine 3011, DP102U, SP-2
Clean Water Systems  International C1, C1A, CR1, CR2, CR5X
Evoqua Water  Technologies W2T146245, W2T169351, W2T836564
Ideal Horizons 22001, IH-1, IH-2, IH-8, IV-8, LMP22001, SH-4
Port Star PW1
Ultra Dynamics 4000B, 7001-804, S120-2, S180-3, S60, UD-14, UD-5, UD-7
Siemens / Sunlight AAE1214, LP4150
Ultra Dynamics 7001-821
UV Superstore G8-3011
Wedeco LMP22001

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:
Sanitron, Mighty Pure
Base Category (Pins per End):
2 Pin Base
Cross Reference Brands A:
Atlantic Ultraviolet MP16, Atlantic Ultraviolet MP16A, American Ultraviolet GML125, American Ultraviolet GML335, Aquafine 3011, Aquafine DP102U, Aquafine SP2, Atlantic Ultraviolet S17, Atlantic Ultraviolet S17A
Cross Reference Brands B to F:
Clean Water Systems C1, Clean Water Systems C1A, Clean Water Systems CR1, Clean Water Systems CR2, Clean Water Systems CR5X
Cross Reference Brands G to O:
Ideal Horizons 22001, Ideal Horizons IH-1, Ideal Horizons IH-2, Ideal Horizons IH-8, Ideal Horizons IV-8, Ideal Horizons SH-4
Cross Reference Brands P to S:
Port Star PW1, Pura PW1, Siemens LP4150, SterLRay MP16, SterLRay MP16A, SterLRay S17, SterLRay S17A, Sunlight LP4150
Cross Reference Brands T to Z:
Ultra Dynamics 7001-821
Lamp Length:
0 - 12 in. (0 - 305mm)
Ozone Producing:
Replacement Part Type:
Part Type Equipment Brand Model / Part #
Lamp American Ultraviolet, Inc. GML125
Lamp American Ultraviolet, Inc. GML335
Lamp Aquafine Corporation 3011
Lamp Aquafine Corporation DP102U
Lamp Aquafine Corporation SP-2
Lamp Atlantic Ultraviolet Corporation MP16
Lamp Atlantic Ultraviolet Corporation MP16A
Lamp Atlantic Ultraviolet Corporation S17
Lamp Atlantic Ultraviolet Corporation S17A
Lamp Clean Water Systems International C1
Lamp Clean Water Systems International C1A
Lamp Clean Water Systems International CR1
Lamp Clean Water Systems International CR2
Lamp Clean Water Systems International CR5X
Lamp Evoqua Water Technologies LLC W2T146245
Lamp Evoqua Water Technologies LLC W2T169351
Lamp Evoqua Water Technologies LLC W2T836564
Lamp Ideal Horizons 22001
Lamp Ideal Horizons IH-1
Lamp Ideal Horizons IH-2
Lamp Ideal Horizons IH-8
Lamp Ideal Horizons IV-8
Lamp Ideal Horizons LMP22001
Lamp Ideal Horizons SH-4
Lamp Mighty Pure MP16
Lamp Mighty Pure MP16A
Lamp Port Star PW1
Lamp Sanitron S17
Lamp Sanitron S17A
Lamp Siemens AAE1214
Lamp Siemens LP4150
Lamp Ster-L-Ray 05-1098-R
Lamp Ster-L-Ray GPH287T5L
Lamp Ster-L-Ray MP16
Lamp Ster-L-Ray MP16A
Lamp Ster-L-Ray S17
Lamp Ster-L-Ray S17A
Lamp Sunlight AAE1214
Lamp Sunlight LP4150
Lamp Ultra Dynamics 7001-821
Lamp UV Superstore, Inc. G8-3011
Lamp Wedeco UV Technologies, Inc. LMP22001