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Swimables Replacement Hayward FD Heater Thermistor Replacement FDXLTER1930 | Swimables SW-42-931

Marsoni M251S
Sale price$34.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
Swimables Replacement Hayward FD Heater Thermistor Replacement FDXLTER1930 | Swimables SW-42-931When your Hayward Universal H Series Low NOx pool heater needs a new temperature sensor, the Swimables Thermistor SW 42 931 is the dependable answer. Functioning as a drop in replacement for the Hayward FDXLTER1930, this sensor precisely tracks water temperature inside the heater, enabling the control system to maintain peak efficiency and energy conservation. Engineered from resilient materials that hold up against sustained heat and moisture, the SW
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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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4.0 ★★★★★
Based on 753 reviews
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Verified Purchase
Judster
Bozeman, US
★★★★★ 5
They are so handy!!! No mess!!
So glad I discovered these!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 28, 2023
D
Verified Purchase
Dave
Carnegie, US
★★★★★ 5
One Tough Ball!
Color: Blue
Our dogs are loving this ball. Our 1 yr old hound is a world-class chewer and he can't make a dent in this ball. The interactive buzzing and bouncing keeps them entertained for long durations. It's a mite noisy but the barking from the 1 yr old is much louder, lol. Even turned off, they like playing with it and chewing on it. Based on the tough construction, we think it will last much longer than traditional chew balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
J
Verified Purchase
Janice A
Lexington, US
★★★★★ 5
My puppy’s favorite
Color: Orange
Great quality and built to last. My dog really enjoys playing with it and stays entertained for quite a while. The material is strong yet safe, and the included drawstring bag is a convenient extra for easy storage. Is colorful and my become my puppy’s favorite.
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Reviewed in the United States on March 1, 2026
A
Verified Purchase
Amazon Customer
Whiting, US
★★★★★ 1
If you love your dog…don’t buy this.
Color: Orange
We have a nonaggressive English cocker. She opened the ball every time she played with it. And yes, we are closing it as hard as we can. I do not recommend this toy for any dog! This is a dangerous toy for a dog that is not supervised.
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Reviewed in the United States on March 16, 2026
J
Verified Purchase
jeff c
Alexandria, US
★★★★★ 4
Keeps your dog busy
Color: Blue
Good toy to keep your dog busy. Make sure you check it periodically to ensure it stays together.
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Reviewed in the United States on April 3, 2026

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