Directions on how to replace your Fimco Stem and Disc Assembly: Loosen the coupling nut from the coupling. Unscrew the 6 or 8 screws around the perimeter of the valve. Remove off valve top Work the stem & disk assembly up into and out of the valve top until it disengages. Insert the new stem…
Indexing Valve Series Identification of an indexing valve is fairly straightforward. If you know the pipe size in and out you can simply consult the following list: 1000 Series – 1″ in and 1″ out 2000 Series – 1.25″ in and 1.25″ out 3000 Series – 1.5″ in and 1.25″ out 4000 Series – 1.5″…
If the indexing valve is sticking, whether it be on random zones or on all zones, it’s usually easy to fix. Most times it’s one of a handful of issues and generally simple to diagnose. The first thing to do is to make certain the system is inactive. Once the system is inactive, remove the…
Jumping or skipping zones is the most common issue faced by indexing valves. Sadly it’s not the indexing valve causing the issue but rather how it integrates with the rest of the irrigation system and how that system is operating. For example, issue number one: The Faulty Check Valve. The check valve is used on…
Water flowing from multiple outlets means that the disk is not seating completely inside the valve housing. This issue could be due to a handful of factors. Lack of Water Volume Without sufficient water volume, the disk won’t sit properly and water will seep into the inactive outlets. Many people want to argue this point,…