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High Quality Performance

We only sell OEM parts to ensure our customers receive the best performance from their equipment.
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UV Unit Selection

Water Testing to Specification and Installation
UV Sizing


We are your Water Purification Partner
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Water Purification

Online Water Parts works diligently to offer you the very best process water application parts in the industry.

Now that you found us...

We hope to simplify your efforts to have top quality water processes.


We distribute genuine UV units and parts. Applications for UV units are disinfection, chlorine/chloramine destruction, TOC reduction, and ozone destruction.

High Purity Water

We service many industries such as food and beverage, pharmaceutical, biotechnology, semiconductor, recreational water, aquaculture, and more.

OEM Protects your Warranty!

Trojan/Aquafine Warranty

Trojan/Aquafine Warranty

Trojan offers comprehensive warranties on genuine lamps, drivers and UV sensors. To check your warranty eligibility, please complete this form.