Plated brass Pressure stop ball-valve with fittings for B.E.S.T. Filter and tank filling

This added convenience item is excellent for tank filling with Flat Out hoses and BEST filter. 

Run the hose from the tap to your filter, replace the other filter end with this valve part and then connect a tank filling attachment. This allows you to build up pressure in your hose before filling (needed to lay it in a way to make it then flow) and then when you are finished filling you can easily switch off flow before going back to the tap.

The 3/4 BSP end fits directly into the BEST filter in the place of the existing fitting. Use a watermark approved threadsealant (such as this one), don't use threadtape or overtighten as it will void your BEST filter warranty. Save the existing fitting as a spare. The other end meets 12mm (1/2inch) snap fitting standards to fit onto any other hose snap fitting, such as our tank-filling attachment (P17) or one that you make for yourself. Here's a little video we made on how to use it.