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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
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Coated with ArmorTek™

MasterSeries® backflow assemblies are built with a stainless steel check valve and internals, and coated with ArmorTek advanced coating technology for 6x less surface rusting – making service calls a breeze. ArmorTek is made of an anti-corrosion primer, a microbial inhibitor to limit microbial-induced corrosion, and a protective epoxy-polyester topcoat for maximum durability.

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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.
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Fire Suppression Systems

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

The same quality and reliability of the FEBCO MasterSeries®, but with new lay lengths that allow drop-in replacement of older valves. Read the brochure for more.

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Product Categories

LF850_OSY

LF850

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

LF870V-DC-NRS

LF870V

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

LF856-OSY-GPM_0124443

LF856

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

LF876V_DCDA-OSY

LF876V

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

LF860_OSY

LF860

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

LF880V-RP-NRS

LF880V

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

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LF866

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

LF886V-OSY-GPM_22522

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.

Watts Works Online

FEBCO Master Series training is now available from Watts Works.

View Available Courses