DCVA - Double Check Valve Assemblies - 4" - 709 Series - double detector check assembly
The Snow/Ice Sensor 090 is an in-ground sensor used with tekmar snow melting controls to detect snow or ice on a driveway or walkway automatically. The 090 has 65 feet (20 m) of wire. This product can be used in applications ranging from residential driveways to commercial building fronts, such as emergency access entries. This sensor allows tekmar snow melting controls to automatically operate the snow/ice melt system only when snow or ice is present while also providing slab temperature feedback to the control.
If you're finding water pressure to be too high or too low, you may need to adjust your water pressure reducing valve. Bob walks you through this quick-fix, from the tools you'll need to step-by-step procedures.
8615510865705 
8615510865705