Culligan AQ37085 Equivalent Replacement UV Lamp for Aquada 1

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


Watts: 16.50 Watts
Length: 325 mm
Base: B28
Base Description: 4 Pin Connector with Wires Single Ended (B28)
Qtz. OD: 17.5 mm
Wiring: Preheat
Output: HO
Category: HO
Type: L
Wires: 2
Description: NLR1825 WS Wedeco Equivalent Replacement, 2 O-Rings
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
Aqua Treatment Services ATS4-325
Culligan AQ37085, Aquada 1, NLR1825
Goulds Water Technology GU4A, GU4P
Ideal Horizons Aquada 1
UV-Guard 11022, 37085
Watergroup Canada 89300
Wedeco 1M, AP1, AQ37085, Aquada 1, DLR1, DLR1A, NLR1825

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 Treatment Service ATS4-325, ATS ATS4-325
Cross Reference Brands B to F:
Culligan Aquada 1, Culligan NLR1825
Cross Reference Brands P to S:
Sterilight SPV-740
Cross Reference Brands T to Z:
Wedeco 1M, Wedeco AP1, Wedeco AQ37085, Wedeco Aquada 1, Wedeco DLR1, Wedeco DLR1A, Wedeco NLR1825
Lamp Length:
12 - 24 in. (306 - 610mm)
Ozone Producing:
Part Type Equipment Brand Model / Part #
Lamp Aqua Treatment Services, Inc. ATS4-325
Lamp ATS ATS4-325
Lamp Culligan International Company AQ37085
Lamp Culligan International Company Aquada 1
Lamp Culligan International Company NLR1825
Lamp Goulds Water Technology GU4A
Lamp Goulds Water Technology GU4P
Lamp Ideal Horizons Aquada 1
Lamp Ster-L-Ray 05-0500
Lamp UV-Guard 11022
Lamp UV-Guard 37085
Lamp WaterGroup 89300
Lamp Wedeco UV Technologies, Inc. 1M
Lamp Wedeco UV Technologies, Inc. AP1
Lamp Wedeco UV Technologies, Inc. AQ37085
Lamp Wedeco UV Technologies, Inc. Aquada 1
Lamp Wedeco UV Technologies, Inc. DLR-1
Lamp Wedeco UV Technologies, Inc. DLR-1A
Lamp Wedeco UV Technologies, Inc. NLR1825
Lamp Wedeco UV Technologies, Inc. NLR1825WS