This category is made up of our selection of weld-in valves of various diameters, as well as the vacuum valve kits which control them. The valves are closed by default so in most circumstances you will want to pair the purchase of a valve with an R1 or R2 kit. For a single valve, use an R1 kit. For two valves, use an R2 kit. Both the R1 and R2 kits consist of key fob controlled switches to control the valves, the wiring and the control box to receive the signal. When fitting these valves you may wish to refer to this diagram which will get you started - Link

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