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Aulpq Rain Sensor Hygroscopic Discs Replacement - fix, Fit for Rain Bird Rain Sensors RSD & WR2, Rain sensor for sprinkler system rainbird wifi module(8 Pcs)

4.8 (8) Write Review
Free shipping on orders over $29.99

$11.54

$ 5 .75 $5.75

In Stock
  • 【When to replace】When your sensor is not working, it may be because the moisture absorbing disc in your rain sensor has been worn or weathered. It is also possible that these hygroscopic discs are too old, too dirty or there are bugs around, the hygroscopic discs will not shrink or expand properly, and the rain sensor will not work, and it is time to replace.
  • 【Suitable model】Suitable for all RainBird rain sensors - RSD, WR2 wireless, compatible with all Hunter rain sensors, Mini-Clik, Rain-Clik, Solar Sync.
  • 【Easy to install】It can be repaired without the help of other tools, it only takes a short time to replace the moisture absorbing disk, and it will work like new.
  • 【Installation method】No need to replace the entire sensor, just remove the spindle and cover, just open the rain sensor cap, remove the faulty disc, and replace it with these new small round moisture-proof cork discs.
  • 【After-sales】If you have any questions about the replacement moisture absorbing disk of the rain sensor, please contact us. We will get back to you within 24 hours, thank you very much.


Rain Sensor Hygroscopic Discs Replacement - fix for fit Rain Bird Rain Sensors RSD & WR2 (8 Pcs)


Shannon Stephens
Reviewed in the United States on March 8, 2025
Works great and perfectly described.
Customer
Reviewed in Canada on August 23, 2024
Discs do not expand. Soaked them in water just to see and barely any expansion. Lack of expansion does not trigger rain sensor. Do not waste your money.
Frank Pinteric
Reviewed in the United States on July 29, 2024
Disc's easy to install. Tested after rain and work. Original ones after 18 months no longer expanded when it rained.
A customer
Reviewed in the United States on July 1, 2024
Works as described 😁
71 nova
Reviewed in Canada on June 21, 2024
Looks like it will work okay.
Bill Harris
Reviewed in the United States on December 1, 2024
Couldn't believe I found them so easily.
Beach Brother
Reviewed in the United States on April 3, 2024
Replaced old ones but didn't work. Unfortunately I think the sensor is bad.
Prime Minister
Reviewed in Canada on June 28, 2023
Our Hunter Wireless Rain Sensor stopped working. I checked online and realized that the battery never needs replacing. I found a YouTube video that suggested it could be the Hygroscopic Discs in the wireless sensor. It was a simple replacement and the discs fit perfectly. See the photo of the old discs and how over time, they got mildewy, dirty and dried up thereby failing to expand when rain falls. It took me ten minutes to replace the discs and the sensor is working perfectly again! Best of all, this item saved me over $100 from having to buy a new sensor!