Lafferty approaches the design and manufacture of chemical application equipment by creating application-specific, integrated, balanced systems that are easy to install and that offer years of trouble-free performance.
Welcome to the Lafferty Learning Center
Discover new products and learn how to select, install, operate, and maintain chemical application equipment. The Lafferty Learning Center presents decades of institutional knowledge, tips/tricks, and best practices in a visual multimedia format.
Product specific guidelines are provided in the Installation and Operation Instructions for each unit, which are available on the main Lafferty website.
Post Archive
Pressure Washer Equipment – Selection Guide
Learn Lafferty pressure washer equipment terminology, key benefits, and more!
Product Spotlight Videos
Use the player below to select and watch videos from our Vimeo Showcase. Don’t hesitate to contact us to learn more about these products. Technical details are available on the main Lafferty website. open showcase...
Part Details: Watts Series 9D Backflow Preventers #270298, 270299
Backflow preventers are a critical aspect of any chemical dilution equipment. The Watts Series 9D Dual Check Valve with Intermediate Atmospheric Vent is suitable for many installation situations.
Check Valve Chemical Compatibility
Most check valves are available with Viton, EPDM or Kalrez seals and stainless steel or polypropylene bodies. Check valve substitutions for new equipment are available at the time of purchase.

























