Ascon Multi Solar Pool Sensor

Marsoni

M251S

$93.80

Get it in 3 business days with 1 day shipping. Friday, May 29

Ascon Multi Solar Pool SensorThe Ascon Multi Solar Pool Sensor is a genuine replacement temperature sensor designed specifically for ASCON Multi Solar controllers in the MS3D series. It delivers precise measurements of either pool water temperature or roof (collector) temperature to regulate your solar heating system, helping you maximize efficiency and reduce energy waste. What makes the Ascon Multi Solar Pool Sensor unique Authentic replacement: Built to drop in and work

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)

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Reviewed in the United States on October 28, 2025

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Joe H.

Belleville, US

★★★★★ 5

Works fine in outdrive

Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube

Good gear oil. Purple dye for leak detection

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Reviewed in the United States on April 2, 2026

Verified Purchase