Whole house water filtration units remove rust, sediments, and contaminates from the water entering your home. Rust and sedimentary build-up adhere to this inside-of-water-supply piping, restricting water flow and causing damage to appliances that are connected to the water line. Contaminates such as chlorine are added to city water systems to eliminate harmful micro-organisms, but can reduce the drinking quality of the water. Installing a whole house water filtration system will extend the life of your water-using appliances, avoid costly plumbing repairs, and increase the drinking quality of your tap water.
Things You'll Need
- Whole house water filtration system
- Tape measure
- Permanent marker
- Carpenter’s pencil
- 4-foot level
- Stud finder
- 24-inch by 24-inch piece of 5/8th-inch thick plywood
- Circular saw
- 1/8th-inch drill bit
- #2 Phillips screw tip
- 2 1/2-inch wood screws
- Emery cloth
Turn off the water in your home by closing the supply valve. Determine a suitable location for the water filtration system. The chosen location should provide you adequate access to service and change the water filter. Ensure that the location is beyond the water supply control valve. Review the installation manual for recommended minimum installation clearances. Mark the location with the permanent marker. Place the marking template that comes with the water filtration system on the pipe and mark each side of the template.
Locate the two studs behind the accessible area with the stud finder. Place a mark with the carpenter’s pencil on the centerline of each stud. Hold the plywood over the stud locations. Adjust the plywood’s location so that the marks you made on the pipe are both in front of the plywood. Mark the point at which each stud centerline contacts the plywood. Place a pencil mark on the wall, at the top edge of the plywood.
Mark the screw locations two inches in from the plywood’s edge, on the stud centerlines. Drill a 1/8th-inch hole at each location. Run a screw 1/4-inch into each hole. Place the plywood back on the wall. Align the plywood with the top edge and the stud location marks. Screw the plywood to the wall.
Cut the piping on the two marks you made with the water filtration template with the hacksaw. Clean the burr from the cut edges with the file. Clean the ends of the pipe with emery cloth to allow the compression fitting to seat properly.
Install the compression fittings and rings on the water supply pipe according to the manufacturer's instructions. Mount the water filtration system to the plywood so that the center of the system’s inlet and outlet pipes are in line with the water supply piping.
Connect the compression fittings to the water filtration system. Tighten by hand the compression fittings to seat the compression rings. Do not use a compression wrench to tighten the connections. Turn on the water supply.
Turn on a faucet and allow the water to run and clean the filter. Consult the manufacturer’s installation manual to determine the amount of time to run the water. This last step will flush loose particles from the carbon filter.
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