DIY Series 7 @ MCO: Water Heater Installation

Installation of Water Heater is pretty simple, with a set of power tools and a bit of hands-on experience. I had been installing many water heaters for many years and this is the 1st time I have time to share it.

You just need to drill few holes, connect the wires and also do some basic plumbing works.

First, you will need to have a set of power tools. I choose a basic unit, Black & Decker KR554REKP20-B1 Power Tool 550W 13mm VSR

Next, you will need to choose the correct drill bits. There are different types for different purposes.

Masonry Bits

Tiles Bits

Woods Bits

Multipurpose Bits

I choose multipurpose bits (6mm) to cover both tiles and masonry (cement) drilling, using hammer mode of power tools.

You will only need to use 6mm bits because standard screws are mostly this size.

You also need to prepare some wall plugs (any type), just in case it is not provided by your new water heater.

Then, prepare a wrench / plier / flexible spanner, either one.

You also need the piping tapes to apply to wherever it is needed

*** IMPORTANT: Before you start, make sure you cut off the electric supply to the water heater wiring, and also cut off the water supply. ***

Now, start to dismantle the existing water outlet up to the hole on the wall.

[ This step is optional -- Connect the type of joint / valve that you like. I choose a double outlet valve. ]

Use a pencil to mark on the wall the screw holes required for the water heater. Use the Black & Decker Power Tools and connect the 6mm multipurpose drill bit. Choose hammer mode to drill 4 holes on the wall. To make sure the wall holes are correctly located accordingly, after drilling each hole, reconfirm the other holes again by putting the water heater on the wall to check.

Next, you need to insert the wall plugs into the holes, use a hammer to help.

Place the water heater on the wall and screw up all the 4 screws. Pull the wire out.

Connect the 3 wires according to the L (Live), N (Neutral), and G (Ground). Make sure you know how to connect it correctly. You might need to use test pen to identify between L (Live) and N (Neutral). G (Ground) wire is always in GREEN.

Once it's done, close the cover and resume the electric supply to test if the water heater is working when the switch is ON. Power off again when the test is done.

Last step, connect the water outlet (where the new valve was installed) to the water heater inlet using a flexible hose. Then, connect the water heater outlet to the shower head.

Since I choose to use the developer original shower head holder, I do not continue to install the rail and holder. You may need to drill another 2 to 3 holes on wall if you need the rail and holder.

Alternatively, you may choose to use this type of shower head holder, no drilling is needed. I used it to hold the 2nd shower head.