General Plumbing Help: Install a New Toilet
How to Install a New Toilet in 5 Easy Steps
By Bridget Mwape
If your toilet is old and in need of repairs, it is cheaper to
replace it by installing a new one. This is quite easy to do and
can be completed in an afternoon with some general plumbing help.
However, if you plan to install a new toilet in a new location, you
will have to extend supply pipes and drainpipes to the desired
spot, a job you may want to leave to a plumbing contractor.
Most toilets are sold with the necessary gaskets,
washers, and hardware for fitting the tank to the bowl. However you
might need to buy a few parts.
Here is a list of what you need to complete this task:
Parts: toilet bowl, toilet tank, toilet seat, Two 1/4" bolts for
bowl to flange, Wax ring, 20" water supply with fitting at valve or
floor connection and Tools: Pair of channel pliers, bucket, screw
(Many of these can be ordered online at any DIY website such as
DIY Tips UK: http://www.diy-tips-uk.com/plumbing/)
- 1. Shut off the water to the toilet, use a bucket and
a cloth or a sponge to remove the water left in tank and bowl after
you flush the toilet.
- Using a pair of channel pliers, or a small pipe wrench (8"),
remove the nut where the water line fastens to the ballcock valve
under the left side of the bottom of the tank. Next use a small
crescent wrench, remove the two 1/4" nuts holding the bowl to the
floor flange. Remove old toilet. Remove the water line from the
valve or fitting at floor or wall.
- Now you are ready to install your new toilet. Put the
two 1/4" bolts in the side holes of the flange with the bolt head
in the flange. Put some of the old wax at this spot to hold the
bolts straight up and across from each other. Put new wax ring on
flange, flat side up if tapered.
General Plumbing Help
- Set new bowl only straight down so it centers on wax ring and
both bolts come through holds on each side of bowl. Sit on bowl
facing wall until your weight puts bowl flush with the floor. Put
metal washers and nuts on bolts and tighten until snug. Do not
over-tighten as you can crack the bowl. Tighten these again after
toilet is completely installed and filled with water.
- Next put 2" rubber gasket on tank where it sets on the bowl,
put rubber washers on bolts provided under the bolt head so they
will be on the inside of the tank. Pick up tank and set on bowl
over holes in bowl where bolts go through. Sit on bowl facing wall.
Put bolts on from the inside of the tank into holes in bowl, put on
metal washers and nuts and tighten. Hold tank level and tighten so
it brings tank down level. Use a large screw driver inside tank and
a crescent wrench or end wrench to back up nut under bowl. Tighten
with screw driver. Hook water supply to tank, turn on water, check
for leaks, and snug up the bolts holding bowl to floor. If there is
a space between the back of the tank and the wall, put a spacer of
sort there to brace tank. A piece of wood or hard rubber works
At least twice a year clean out the inside of your toilet
tank. When cleaning the toilet tank, turn off the water, flush
toilet once, add small amount of cleaning detergent inside tank to
water remaining and use a cloth or brush to clean. Also clean out
holes under toilet seat and rim of the bowl as well as the 3/4"
hole in the bottom of toilet bowl. Replace rubber tank ball at this
time if needed. Maintaining your new toilet with a little general
plumbing help will keep the plumber away and reduce your plumbing
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