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Almost everything related to your pipes, drains and plumbing fittings and fixtures need to be done by a fully-licensed professional. But let’s say you’re such a keen do-it-yourself-er that you’re keen to at least know how to replace a toilet – because, after all, empowering yourself with extra knowledge is rarely a terrible idea, is it? And at the very least, when you’re collecting quotes for your licensed, legal toilet replacement or installation, you’ll have a very good grasp of what the plumbers are talking about.

Here’s how it’s done:

1. Get your tools – and toilet!

The most important thing, of course, is to choose a new toilet that fits the space, which may or may not involve measuring a new toilet rough-in.

You’ll also need a pile of common tools, and potentially some specialty components like the supply tube, wax ring with a flange and teflon tape.

2. Remove the old toilet

First up, turn the mains water off and empty the toilet by flushing it. Then it’s just a case of unthreading the main coupling nut to the water supply as well as the tank bolts, and then undoing the nuts that secure the bowl to the floor. If they’re being stubborn, you may need to revert to a hacksaw.

3. Remove the wax rings

Warning: even professional plumbers hate removing the gross old wax rings from the sewer opening! We advise using a putty knife and scraping it off like butter, and then stuffing a rag in the drain to plug the disgusting smell and fumes.

4. Install new toilet bolts

Pull out the rag so that you can install brand new brass toilet bolts into the flange slots – and don’t forget the washers! Unwrap your brand new wax ring and position it on the flange.

5. Put the new toilet in place

You should now be ready to start securing the new toilet into place by lifting it over the ring and aligning the bolts. Be patient at this point, because while it may sound easy – it’s not! Now, ask yourself: Is it wobbling? If so, a 5 cent piece could be priceless to level things up before you secure the washers and toilet nuts. If part of the bolt section is too long, use the hacksaw again before caulking the base of the toilet.

6. Attach the cistern

Now you’ll be attaching the toilet cistern, and if you’re in luck then your new toilet comes with fill and flush valves that are ready to go. If not, it will be up to you to install them yourself before tightening the spud nut along with a spud washer.

7. Position the valves

It may be necessary to tweak the toilet fill valve and position it inside the cistern. Then, check the valve shank is aligned at the bottom before tightening the nut by hand.

8. Tighten the bolts

It’s now a case of putting washers on the bolts and securing everything in place, whilst being careful not to tighten so much that it damages the material.

9. Finish up

Finally, re-attach the water supply by connecting new water tubing to the fill valve – and when you turn that mains water back on, check patiently for leaks. The last thing to do is to attach the toilet seat … and you’re all done!

Install a toilet with Brisbane’s best

Easy peasy? Or for peace of mind and full compliance with the local regulations, get in touch with Brisbane Plumbing & Drainage and we’ll do it all for you in a flash. It’s great to keep expanding your DIY knowledge, but some things simply need to be done by the licensed, experienced Brisbane plumbers – and we’re simply the safest set of hands all across Brisbane & beyond. Get in touch with Brisbane Plumbing & Drainage today and we’ll take care of the rest!