Water damage from leaking plumbing is


more likely than fire


more likely than burglary

Fast action is the key to preventing damage from a plumbing leak. The Leak Defense System (LDS) is the best and most effective plumbing leak detector and automatic water shut-off valve on the market!

Where do you need protection?


Protect your home’s structure, furnishing and valuables from water damage.

High Rise

One burst pipe or an undetected slow leak can be a disaster on many levels.

Home Builders

Gain a competitive edge and provide an invaluable amenity for homebuyers.


You can monitor and turn off water to entire stacks with the touch of a button.


From structure, equipment to important files, your investment is protected.

Why Trust Leak Defense System?

Innovation Leader

Our multiple patents and proprietary electronic flow sensing technology has been recognized internationally for outstanding performance and reliability in water conservation and protection. With pipe sizes 3/4″ to 3″ there’s a fit for every application.

Trusted Brand

We’ve been protecting peace of mind for homeowners, building ownerscondominium management, high-rise and commercial properties for over a decade against water damage. The Leak Defense System is so trusted, a number of national insurance companies offer discounts for installing it on your property.

Did You Know…

  • The average cost of repairs for water damage could exceed $20,000 compared to only $6,000 for damage related to roof leaks and other causes of loss.

  • Water damage claims have been growing faster than other components of homeowners insurance.

  • Property damage resulting from water damage due to plumbing failures and freezing pipes is the second most common cause of homeowner loss.

  • Water-damage claims, most from leaky or burst pipes, are the primary cause of rising property-insurance costs.

  • High humidity conditions that exist after a water loss create the perfect environment for mold growth.

  • Leaks can be slow and gradual, taking years to detect until significant property damage occurs, or there can be large leaks that quickly produce a variety of damaging results.