W Lim Desert Eagle UV Sterilizer
W Lim Desert Eagle UV Sterilizer
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Shipping on equipment
Oversized item — ships direct from the factory by UPS Ground; the rate is calculated at checkout. No free-shipping threshold on pumps and UV sterilizers. Free pickup at our Miami store.
An industrial-grade UV sterilizer built on a schedule 80 body, rated for high wattage and full sun exposure where a lighter housing would chalk and fail. Clears green water by killing single-celled algae as the water passes the lamp.
How the sizes work
The first five sizes are single-lamp units — the wattage is the lamp. Above 119W, a bigger number does not mean a bigger lamp: it means more 119W lamps sharing one housing. A 238W is two 119W lamps, a 476W is four. Putting them in a single chamber, instead of plumbing several separate sterilizers in series, is what saves space and pipework.
More lamps means more UV output, and more UV output means the unit can treat more water. W. Lim's sizing chart rates the single-lamp 119W at 10,320 GPH and the two-lamp 238W at 12,600 GPH.
Which size to buy
The 119W single lamp is the size we recommend for most koi ponds. Step down only if the pond is small or the equipment space is tight. Step up to the multi-lamp units when the pond is large, heavily stocked, or fighting green water that keeps coming back.
Specifications
| Model | W. Lim # | Chamber | Lamps | Max flow | Body |
|---|---|---|---|---|---|
| 36W | — | — | 1 | not published | Sch 80 |
| 58W | — | — | 1 | not published | Sch 80 |
| 66W | 3502-66 | Model 610.6 | 1 | 1,200 GPH | Sch 80 |
| 86W | 3503-86 | Model 620 | 1 | 7,080 GPH | Sch 80 |
| 119W | 3504-119 | Model 640 | 1 | 10,320 GPH | Sch 80 |
| 238W | 3504-238 | Model 640 | 2 × 119W | 12,600 GPH | Sch 80 |
| 357W | 3504-357 | Model 640 | 3 × 119W | not published | Sch 80 |
| 476W | 3504-476 | Model 640 | 4 × 119W | not published | Sch 80 |
Flow ratings are from W. Lim's UV Sizing Chart; W. Lim leaves several cells blank on that chart and those are shown here as not published. All units are schedule 80 and built with 2" unions as standard — W. Lim can build custom with unions up to 6". W. Lim does not publish amperage or cabinet dimensions for this series.

$826.50 USD
What Our Customers Say
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“Extremely happy with my experience. Communication was excellent, KOI were packaged and shipped with great care, arrived in excellent health and condition. They really take pride in what they do. I am 100% content with my new koi.”
Daniel RadocajGoogle review -
“House of Koi provided amazing quality fish and fantastic customer service. Very happy with my purchase. I ordered 8 koi in total and they are all beautiful, happy and healthy. The pricing for these fish was also very fair for the quality and genetics I received. I would order from them again!”
Andy PintosGoogle review -
“Top notch attention/service regarding a shipment that UPS delayed. Two large koi were very well packed so they still arrived in great condition! Great quality koi.”
Jerrol FisherGoogle review
Not sure which size fits your pond?
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WELL TRUSTED4.9-star Google rating
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