Fitting Guides - Basemounted Tap
A guide to fitting a base mounted tap
Changing a bathroom or kitchen tap can bring a new lease of life to that
room. There are many different styles of tap available from ultra modern
stainless steel minimalist monobloc mixer taps to more traditional gold finish
pewter pillar taps.
If a base mounted tap is chosen, there are a few key steps to follow in order to
fit the tap. If this easy guide is followed then any base mounted tap fitting
should run smoothly and without problem.
When changing a tap one of the hardest and most important steps is removing the
Removing an old tap
Make sure the water is switched off and that the remaining
water in the system is allowed to drain out through the taps. A good idea is to
turn on taps that are lower down in the system to ensure maximum drainage and
to avoid dripping.
Using a claw spanner undo the tap connectors and back nuts
underneath the sinks or basin. If the tap begins to turn get somebody to hold
the tap still or use a wrench to steady the tap. If the tap will not move do
not try turning the tap whilst keeping the nut still else the tap may damage
the enamel on the sink.
Remove the old taps and the waste fitting if the new tap has a pop-up waste
Once the taps have been removed, clean the holes bath/basin of any old sealing
Before fitting the new tap
Undo the head mechanism on the new tap and check the inside of
the new tap for any excess debris as this can cause damage to the O ring and
Compare the pipe connections on the old taps to the new taps.
If the old taps are longer than the new taps then a shank adapter
Fitting a new base mounted tap
Fit the new tap, seating it on the plastic bedding washer if
supplied. If not, surround the hole with silicone sealing compound
or sanitary sealing compound before putting the tap in place.
Refit the back nut and tighten by hand to clamp the tap to the
basin. Make sure the spout is facing the right way and tighten the back nut
gently with the tap wrench.
When fitting onto some thin baths or sinks you may require the use of a Top
Hat spacing washer. This will ensure that the back nut can be
tightened for a firm fixing.
Put a new fibre washer on the tap connector and
screw it to the tap tail. With the back nut and washer
in place the supply pipes can be connected to the tails of the
If there is a small gap it is advisable to fit a tap extender rather than trying
to strain the pipe work.
Make sure all joints are fully tightened before turning the
water back on, once on double check the tap and fittings for signs of
If any leaks occur they can mostly be stopped by simply tightening joins
otherwise the system will have to be drained and a closer and more thorough
investigation should occur.
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