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


Watts: 55 Watts
Length: 1148 mm
Base: B1
Base Description: 1 Single Pin Double Ended (B1)
Qtz. OD: 15 mm
Wiring: Instant Start
Output: Standard
Category: Instant Start
Type: L
Wires: 0
Description: G48T5L
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® AD48, AD48-2
SaniLIGHT ® D48-1S, D48-2S
Sani·Ray® RRD48-1S, RRD48-2S, RRD48-4S

If you are looking to purchase replacement parts for your SANITRON® S50C or MIGHTY★PURE® MP49C, consider buying our maintenance kits which contain a replacement lamp, quartz sleeve, and O-rings.

[   SANITRON® S50C Maintenance Kit   |   Mighty★Pure® MP49C Maintenance Kit   ]

This lamp is an equivalent replacement lamp for the following:

Brand Model
Aqua Treatment Services, Inc. ATS1-1149
ClearWater Tech LA48
Evoqua Water Technologies W2T166372
Ideal Horizons 12013, LMP12013
Siemens / Sunlight LP4535
Wedeco LMP12013

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 sales@atlanticuv.com.

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, SaniRay, Sanitron, Mighty Pure, SaniLight
Base Category (Pins per End):
Single Pin Base
Cross Reference Brands A:
Atlantic Ultraviolet MP49, Atlantic Ultraviolet MP49B, Atlantic Ultraviolet MP49C, Aqua Treatment Service ATS1-1149, ATS ATS1-1149, Atlantic Ultraviolet S50, Atlantic Ultraviolet S50B, Atlantic Ultraviolet S50C
Cross Reference Brands G to O:
Ideal Horizons 12013
Cross Reference Brands P to S:
Siemens LP4535, SterLRay MP49, SterLRay MP49B, SterLRay MP49C, SterLRay S50, SterLRay S50B, SterLRay S50C, Sunlight LP4535
Lamp Length:
36 - 48 in. (915 - 1219mm)
Ozone Producing:
Replacement Part Type:
Part Type Equipment Brand Model / Part #
Lamp Aero-Logic AD48
Lamp Aero-Logic AD48-2
Lamp Aqua Treatment Services, Inc. ATS1-1149
Lamp Atlantic Ultraviolet Corporation AD48
Lamp Atlantic Ultraviolet Corporation AD48-2
Lamp Atlantic Ultraviolet Corporation D48-1S
Lamp Atlantic Ultraviolet Corporation D48-2S
Lamp Atlantic Ultraviolet Corporation MP49
Lamp Atlantic Ultraviolet Corporation MP49B
Lamp Atlantic Ultraviolet Corporation MP49C
Lamp Atlantic Ultraviolet Corporation RRD48-1S
Lamp Atlantic Ultraviolet Corporation RRD48-2S
Lamp Atlantic Ultraviolet Corporation RRD48-4S
Lamp Atlantic Ultraviolet Corporation RSM2680
Lamp Atlantic Ultraviolet Corporation S50
Lamp Atlantic Ultraviolet Corporation S50B
Lamp Atlantic Ultraviolet Corporation S50C
Lamp ATS ATS1-1149
Lamp ClearWater Tech, LLC LA48
Lamp Evoqua Water Technologies LLC W2T166372
Lamp Ideal Horizons 12013
Lamp Ideal Horizons LMP12013
Lamp Mighty Pure MP49
Lamp Mighty Pure MP49B
Lamp Mighty Pure MP49C
Lamp SaniLight D48-1S
Lamp SaniLight D48-2S
Lamp SaniRay RRD48-1S
Lamp SaniRay RRD48-2S
Lamp SaniRay RRD48-4S
Lamp Sanitaire RSM2680
Lamp Sanitron S50
Lamp Sanitron S50B
Lamp Sanitron S50C
Lamp Siemens LP4535
Lamp Ster-L-Ray 05-1334-R
Lamp Ster-L-Ray G48T5L
Lamp Ster-L-Ray MP49
Lamp Ster-L-Ray MP49B
Lamp Ster-L-Ray MP49C
Lamp Ster-L-Ray S50
Lamp Ster-L-Ray S50B
Lamp Ster-L-Ray S50C
Lamp Sunlight LP4535
Lamp Wedeco UV Technologies, Inc. LMP12013