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 confident that ASSE 1055 certified...
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.
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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.
Manual: Air Compressor Makita Model MAC700
Learn how to set up and maintain the air compressor that is included with several Lafferty Foamers and Foggers.
Part Details: Air Check Valves #491302 & 491306
How to disassemble air check valves for inspection and cleaning.
Fogging – Frequently Asked Questions
Frequently asked questions about how, why, and when to use foggers.
Universal Mounting Base
Mount any Lafferty unit on this polypropylene board to allow for easy installation on uneven surfaces or quick removal for maintenance.
Installation Procedure for Water-Driven Venturi Systems
This video tutorial demonstrates how to install water-driven venturi system to dilute and apply cleaning and sanitizing chemicals.

























