Smart hose timer internal flooding

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post by Fymaxwell on Jun 26, 2024

I’ve got water flooding into the battery chamber of my Rachio smart hose timer. I’ve been through this in the past with two units that Rachio replaced, and I am starting to wonder if it’s me or Rachio that’s to blame.

I am currently running four timers. Three of the timers are trouble-free. The one that is malfunctioning was bought at the same time as the two others that previously failed, so perhaps there were manufacturing issues with that batch? I’d appreciate any insight that the community might be able to offer, as this is starting to drive me mad.

Top replies

post by Thomas_Lerman on Jun 26, 2024

I have one timer with no issues.

post by franz on Jun 26, 2024

@Fymaxwell I’m having our support team reach out to you. They will take care of you!

post by WaterMunkee on Oct 9, 2024

Same here. Twice. First time I thought maybe I could’ve incorrectly installed the battery door. Lots of corrosion inside after 45 days, device quit working. After cleaning thoroughly, I installed fresh batteries and battery door and ensured everything was snug. New batteries completely rusted/corroded within 45 days again, and again device quit working. Obviously this unit’s battery compartment is not waterproof. Frustrating!

post by bgorbet on Oct 24, 2024

Same problem. I’ve only had this device a few months and its already all corroded inside. Doesn’t seem like the waterproofing works well enough.

post by franz on Oct 25, 2024

@bgorbet I am having our support team reach out to you. They will take care of you!

post by PamL on Nov 18, 2024

I have only 1 timer and I have the same problem with it flooding and the batteries corroding.

post by franz on Nov 18, 2024

I will have someone from our support team reach out to you.

post by Jkuri on Dec 15, 2024

Hello,

I seem to have a similar problem with the battery compartment. When I went to swap out the batteries the compartment had water inside.

I am quite sure that it was installed properly and I am not subject to freezing temperatures.

post by franz on Dec 16, 2024

@Jkuri I’ll have someone from our support team reach out to you. Thank you for bringing this to our attention.

post by Jkuri on Dec 31, 2024

As a follow up and some may find this useful.

The support team did reach out and solved my issue quickly and easily and I am back up and operational.

post by rhawley on Mar 20, 2025

I’m having the same issue with internal flooding while my other timer is perfect.

post by Franz on Apr 28, 2025

I will have our customer success team reach out and take care of you!

post by Davico on Apr 22, 2025

I have the same issue in one of my devices, but both of them are not working as expected anymore. Water leaks from inside the device.

post by ecobuilding on Apr 28, 2025

Hi- I too am having the flooding issue. The two valves I’m running were showing as disconnected and I found the flooding when I thought it was a battery issue.

post by franz on Apr 28, 2025

@ecobuilding I will make sure our customer success team reaches out to you in the morning.

post by justinappleby on Aug 20, 2025

I mean, it’s a hose timer valve… Why would you ever design one that is so prone to flooding the battery compartment? This is obviously a widespread issue and I’d like to know if there is a new model that addresses this obvious problem.

post by Franz on Aug 20, 2025

@justinappleby I am having our customer success team reach out to you. Thank you for reporting this!

post by JBrachio on Nov 6, 2025

I have experienced the same flooding issue with my unit.

post by Franz on Nov 6, 2025

@JBrachio I will have our CS team reach out to you. Thank you for your patience.

post by uncgal10 on Nov 11, 2025

Has anyone found a modification to make to prevent the internal flooding?