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.
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
Foamer Demonstration Videos
Watch Lafferty Foamers in action to select the best model for the job based on the available utilities, desired foam throw distance, and most efficient coverage speed.
Metering Tip Installation and Removal of Broken Tip – Video
This short video demonstrates how to use the metering tip driver to carefully install a metering tip and how to remove a broken tip.
ASSE 1055 Certified Mixing Stations
Select Lafferty Mixing Stations are certified to meet ASSE 1055, which is a widely-recognized standard for chemical dilution devices with an integral method of backflow prevention. Operators and inspectors can be...
Pressure Washer Equipment – Selection Guide
Learn Lafferty pressure washer equipment terminology, key benefits, and more!
Part Details: Control Box Air Solenoid #720201 & Similar
Debris from dirty compressed air utilities can cause the solenoid to stick in the open or closed position. Attempt to clear the obstruction by pushing the button on the solenoid body.If this does not correct the issue...























