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Fit Valve and Rail (for mixer shower)

Tools required: Adjustable spanner, chinagraph pencil, cable and pipe detector, drill with masonry bits, and spirit level.When fitting the rail, it should be set high enough to suit the tallest user, however not that low that the showerhead will hang any less than 25mm from the spillover level of the shower tray or bath, or any nearby basin, or you risk back-siphonage of waste water into your household supply. Chelsea Plumbers know about water supplies. Make sure the holes for each inlet pipe are sealed with sanitary silicon sealant. You can turn the hot and cold water supply on and use it to flush through the pipework briefly. Before you attach the trims for the pipe, put a coupler onto each pipe and attach the thermostatic mixer valve using an adjustable spanner. Turn on the hot and cold water to check for leaks. If all is watertight, turn off the water again, remove the mixer, fit the chrome pipe trims and refit the mixer valve. Attach the lever and holder to the slide rail. Place the brackets on the ends of the rail and mark the position of the hole for the lowest bracket to be drilled.Use the detector to confirm that there are no hidden pipes or cables where you are going to drill. Now, drill the hole where you have marked for the lower bracket. Plug the hole and use a spot of sanitary silicon sealant. Take off the slider rail from the brackets and fix the bottom bracket to the bottom hole using the screw supplied. A Chelsea Plumber can fit rails. To find the position of the top fixing hole place the rail back onto the bracket at the bottom. Put the other mounting bracket on the top of the rail. Check that it is vertical with the spirit level and mark the top fixing hole on the wall. Remove the rail and drill and plug the wall as before. Screw the top bracket in with the rail in place. Finally, fit the bracket covers onto the top and bottom brackets.


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