Dual check valve assemblies, otherwise known as double check assemblies, are the most commonly approved backflow preventers on the market.  They are used for inline or underground sprinkler systems.  About the only things they are not used for are irrigation systems which contain hazardous substances. But let’s back up a bit and discuss what a

Why is it important to have a sprinkler system backflow preventer? In most cases, the backflow is located next to the foundation on the same side of the home as the sprinkler system.  If backflow were to happen, contaminated water from fertilizers and pesticides could leak into your potable water supply, rendering it polluted and

A PVC Backflow Preventer is nothing more than, logically, a backflow device made of pvc pipe. Its purpose, simply stated, is to prevent dangerous backflow, which could contaminate the potable water supply of a town or city. Are you looking for the best in backflow supplies and equipment? Are you looking for quality backflow testing