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MasterSeries®

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The most versatile line of backflow prevention assemblies on the market, MasterSeries® assemblies aren’t just Lead Free, they're designed for superior performance.

Consider this:

  • Investment-casted stainless steel internals for extended valve life and reduced maintenance
  • Redesigned check valve reduces pressure loss
  • Compact N-pattern available for installation in tight quarters
  • Small form factor reduces enclosure size for cost savings

Applications

Agricultural and Irrigation Systems

Irrigation systems present ample opportunities for cross-connections to occur, our solutions help irrigation professionals protect the public from threats that lurk at every cross-connection.

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Potable Water Supplies

Without sufficient safeguards, backflow can introduce undesirable or hazardous substances into the potable plumbing.

Fire Suppression Systems

We offer flow control system expertise and solutions that can streamline your operations, save money, and simplify parts inventories and maintenance.

Product Categories

Product Image - LF850 Large

LF850

These large diameter double check valve backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for non-health hazard service applications.

Product Image - LF870V

LF870V

These N-pattern double check valve backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for non-health hazard service applications.

Product Image - LF856

LF856

These double check detector backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for non-health hazard service applications.

Product Image - LF876V

LF876V

These N-pattern double check detector backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for non-health hazard service applications.

Product Image - LF860 Large

LF860

These reduced pressure zone backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for health hazard service applications.

Product Image - LF880V

LF880V

These N-pattern reduced pressure zone backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for health hazard service applications.

Product Image - LF866-OSY-GPM

LF866

These reduced pressure zone detector backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for health hazard service applications.

Product Image - LF886V

LF886V

These N-pattern reduced pressure zone detector backflow prevention assemblies protect drinking water supplies from dangerous cross-connections for health hazard service applications.

How To Buy

Find local distributors that sell Watts products and accessories.

Find your local Sales Representative for any Watts product and accessory questions, support or to get a quote.

Homeowner? Sorry, Watts sales representatives do not sell directly to consumers. Please see your local retailer.