• Installing a Hot Water Dispenser

    Instant Hot Water Dispenser photoA watched pot never boils. But why watch a pot when you can get near-boiling water instantly from a faucet?  Having instant hot water can be a life saver when you’re busy and need to make soup, tea or sauces. Instead of waiting for a pot of water to boil, you can have instant hot water by installing a hot water dispenser under your kitchen sink. In most cases, a hot water dispenser can heat water up to 190 degrees. Installation may vary, depending on the unit and manufacturer, so be sure to read the manufacturer’s instructions.

    However, here are some basic guidelines that can help you.

     

     

    Provide Location for the Dispenser

    Step 1

    Decide where you want to install the hot water dispenser on your kitchen sink.

    Step 2

    Make knockout on the top of your kitchen sink if one does not already exist. To do this, you will need to drill a hole into the sink countertop by using a stainless steel drilling bit or a drill designed to cut into porcelain.

    Step 3

    Hold the drill steady and let it do the work. You can also remove your spray hose or replace your existing faucet with one that uses fewer holes.

    Install the Dispenser

    Step 1

    Turn off the cold water valve from under the sink or turn off the main water supply to your home.

    Step 2

    Mount the dispenser bracket under the sink at least 3ft. from the sink bottom, depending on the amount of tubing provided, and near the power outlet. The manufacturer will provide a wall mount bracket. Mark the bracket holes on the wall, make sure they are level and pre-drill the holes. Screw the bracket into the wall with the screws provided and hang the water dispenser on the bracket.

    Step 3

    Run the dispenser tubing through the hole you drilled in the counter top and fit the dispenser in place. You will want to have someone hold the dispenser in place while you work under the sink to secure it.

    Step 4

    Place the washer along with the mounting nut provided over the threaded rod. Secure the water dispenser by tightening the mounting nut.

    Step 5

    Attach the water supply to the dispenser tank using the compression fitting or nut provided by the tank manufacturer. Make sure the line is square to the valve, and then tighten gently with your hand. Finish tightening the compression nut with a wrench and be sure you do not over tighten.

    Step 6

    Use a saddle valve or a T-fitting with shutoff to connect the hot water dispenser unit to the home’s cold water supply line. Be sure you have checked the local plumbing codes first. Place the saddle valve over the water line and tighten it into place. Turn the valve clockwise, piercing the cold water supply line until the water stops flowing. Most likely you will need to use a compression fitting or nut to connect the water-supply line to the saddle valve.

    Step 7

    Connect the dispenser cold water, hot water and the overflow lines from the dispenser faucet to the hot water dispenser tank, using the fittings provided by the manufacturer. Attach the hot-water tube from the water dispenser tank to the dispenser faucet using compression fittings or nuts. Then, connect the overflow line from the dispenser faucet to the tank with spring clamps. All of the locations for the tubes should be marked clearly.

    Step 8

    Turn the water supply back on and check for leaks. Open the saddle valve on the cold water line and let the water run through the pipe.

    Step 9

    Open the dispenser faucet to release any air from the lines and until the water runs at a steady flow and fills the hot water dispenser tank.

    Step 10

    Fight the urge to plug your dispenser into the plug for your garbage disposal. The dispenser would only heat when the garbage disposal was switched on!

    Step 11

    Plug in the hot water dispenser unit. If the unit begins to steam or sputters, decrease the temperature.

     

    Tips & Warnings

    • The majority of hot water dispensers will plug directly into a 115 or 120 volt GFCI outlet located under the sink. If you do not have one, you will need to have one installed by a licensed electrician. Be sure to follow the manufacturer’s instructions provided with the dispenser.
    • Check with your local authorities to see if a permit is required for installation of the dispenser unit.
    • Always wear safety goggles, a dust mask and gloves.
    • The hot water dispenser will burn up and be ruined if you plug it in before filling the tank with water!

     

    Things you’ll Need

    •  Drill and drill bits
    •  Adjustable wrench
    •  Screwdriver
    •  Slip-joint pliers
    •  Level
    •  Safety goggles
    •  Saddle valve
    •  Gloves
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