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


Watts: 38 Watts
Length: 793 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: GPH793T5L
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 for the replacement lamp for the MIGHTY★PURE® MP36A / MP36B / MP36C and the SANITRON®S37A / S37B / S37C, see lamp 05–1343–R.

This lamp is an equivalent replacement lamp for the following:

Brand Model
Aqua Treatment Services ATS2-793
Ideal Horizons 22005, IH-40, IV-40
Master Water Conditioning MSP9360, WG1231L/2P
Siemens / Sunlight LP4265
Water Gem 22016
Water Master 12S, WG-1231L/2P, WG-12D, WG-12S
Water Treatment & Accessories 05-0351-1, 05-0351-R

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 MP36, Aqua Treatment Service ATS2-793, Atlantic Ultraviolet S37, ATS ATS2-793
Cross Reference Brands G to O:
Ideal Horizons 22005, Ideal Horizons IH-40, Ideal Horizons IV-40, Master Water MSP-9360, Master Water WG1231L/2P
Cross Reference Brands P to S:
Siemens LP4265, SterLRay MP36, SterLRay S37, Sunlight LP4265
Cross Reference Brands T to Z:
Water Gem 22016, Water Master 12S, Water Master WG-1231L/2P, Water Master WG-12D, Water Master WG-12S, WTA 05-0351-1, WTA 05-0351-R
Lamp Length:
24 - 36 in. (611 - 914mm)
Ozone Producing:
Part Type Equipment Brand Model / Part #
Lamp Aqua Treatment Services, Inc. ATS2-793
Lamp Atlantic Ultraviolet Corporation MP36
Lamp Atlantic Ultraviolet Corporation S37
Lamp ATS ATS2-793
Lamp Ideal Horizons 22005
Lamp Ideal Horizons IH-40
Lamp Ideal Horizons IV-40
Lamp Master Water Conditioning Corporation MSP9360
Lamp Master Water Conditioning Corporation WG1231L/2P
Lamp Mighty Pure MP36
Lamp Sanitron S37
Lamp Siemens LP4265
Lamp Ster-L-Ray 05-1116-R
Lamp Ster-L-Ray GPH793T5L
Lamp Ster-L-Ray MP36
Lamp Ster-L-Ray S37
Lamp Sunlight LP4265
Lamp Water Gem, Inc. 22016
Lamp Water Master 12S
Lamp Water Master WG-1231L/2P
Lamp Water Master WG-12D
Lamp Water Master WG-12S
Lamp Water Treatment & Accessories 05-0351-1
Lamp Water Treatment & Accessories 05-0351-R
Lamp WTA 05-0351-1
Lamp WTA 05-0351-R