HM Digital

LBS-10 Leak Block Sensor & Solenoid Valve

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$45.05 $53.00

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Insurance against leaks and drips from RODI system, and many other household applications!

The Latching solenoid automatically shuts off the flow of water and also makes a loud beeping noise when the sensor detects moisture

  • 3/8" FNPT (ID) Threads or 1/2" BSP Threads (OD)
  • Can be adapted to push-connect fittings
  • Handles up to 5 GPM
  • Low battery alert
  • Fail-safe low power auto-off
  • High frequency alarm
  • Mesh pre-filter

The Leak Block Sensor from HM Digital includes an electronic sensing pad and a latching solenoid valve that will close if the sensing pad ever comes in contact with water. They can be connected with either 3/8" Female NPT fittings or 1/2" Male BSP making them perfect for connecting a RODI system or the many other applications throughout the house. If you are in an apartment, condo, or have your RODI system hooked up on a second floor these are a no brainer!

Making the LBS-10 ultra safe is when the battery is starting to get low, it gives you an audible alert, and before the battery completely dies the solenoid valve will latch shut until the battery is replaced. 


Possible Applications:

  • RODI Systems
  • Dishwashers
  • Coffee Makers
  • Refrigerators
  • Water Coolers
  • Icemakers
  • Toilets
  • Beverage Stations
  • Under Sinks
  • Water Heaters
  • Clothes Washers
  • Hotels, Apartments, Multi-Story



Input Connection - 3/8" FNPT or 1/2" MBSP

Output Connection - 3/8" FNPT or 1/2" MBSP

Power Requirements - 9V Battery (included)

Head Unit Dimensions - 3.125” L x 1.25” W x 2.375” H

Solenoid Dimensions - 2.5" L x 2.75" W x 1.625" H

Cord Length - 39"


What's Included?

1x LBS-10 Leak Block Sensor

1x LBS-1SOL Leak Block Solenoid

1x 9v Battery

More Information
UPC 891144000397
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Product Questions

It says that it can be adapted to push-connect fittings. I have the BRS dual reactor and would like to add this. What additional parts do I need to make this work? Thanks
Question by: Roberta Sherman on Jul 11, 2023, 3:57 PM
Hey there,
Thank you for reaching out to us. You can thread in a 3/8 Push connect fitting we sell.

3/8" Male NPT x 3/8" Push Connect
SKU: 200606

Please let me know if you need anything further and take care!
Answer by: Matt Lucero (BRS Staff) on Jul 27, 2023, 9:13 AM
Will this unit activate it's audible alarm if the solenoid is shut due to a leak? Or only when the batteries are low?
Question by: Jack on May 25, 2017, 8:59 PM
The audible alarm will sound in the event of a leak. The audible low battery alert is an extra added feature in addition to the regular audible leak alarm.

Have a great day!
Answer by: Zack on Jun 5, 2017, 10:31 AM