How to Install a Toilet in Prescott, AZ
Learning how to install a toilet in Prescott comes down to five jobs: shut off and drain the old toilet, check the floor flange, set a fresh wax ring, bolt the new toilet down evenly, and test for leaks. If the flange or floor is damaged, stop and call to be connected with a local provider.
- Measure the rough-in (wall to the center of the floor bolts) before buying, so the new toilet fits the drain.
- Always use a new wax ring or waxless seal. A reused seal is a common cause of slow leaks under the floor.
- Stuff a rag in the open drain while the toilet is off. Sewer gas from an open drain is unpleasant and unhealthy to breathe.
- Tighten floor bolts and tank bolts a little at a time. Overtightening can crack the porcelain.
- The City of Prescott says customer shut-off valves are usually located behind the City's meter box.
How to install a toilet in Prescott: what are the basic steps?
To install a toilet in Prescott, shut off the water, remove the old toilet, clean and inspect the flange, set a new wax ring, lower the new bowl straight down, tighten the bolts evenly, attach the tank and supply line, then test for leaks.
- Shut off and drain. Close the supply valve behind the toilet, flush, and sponge out the last water in the tank and bowl.
- Disconnect and remove. Unhook the supply line, remove the nuts on the floor bolts, rock the toilet gently to break the seal, and lift it straight up.
- Seal the drain. Stuff a rag in the opening, then scrape off the old wax.
- Inspect the flange. Look for cracks, rust, broken bolt slots or soft flooring.
- Set the seal and bowl. Fit new bolts, press the new wax ring in place, remove the rag, and lower the bowl straight onto the bolts.
- Tighten, connect and test. Snug the nuts evenly, add the tank, connect a new supply line, open the valve and check for drips.
What tools and parts do you need to install a toilet?
You need the toilet, a new wax ring or waxless seal, new closet bolts, a braided supply line, a wrench, a putty knife, a level, shims, a sponge, a bucket and gloves.
Before you buy, check two things:
- Rough-in: the distance from the finished wall to the center of the floor bolts. Many homes use 12 inches, but older homes may differ.
- Bowl shape: round or elongated, which matters in a small bathroom.
Also look at the shut-off valve. If it is crusty or drips when closed, plan to replace it too.
How do you remove an old toilet safely?
Remove an old toilet by shutting off the water, emptying the tank and bowl, disconnecting the supply line, removing the floor nuts, and lifting the toilet straight up with a helper. Lift with your legs, not your back, and set it on old towels or cardboard.
Watch for these hazards:
- Weight. A toilet is heavier and more awkward than it looks.
- Broken porcelain. Cracked edges are sharp. Wear gloves and handle a damaged toilet carefully.
- Sewer gas. Plug the drain with a rag right away and keep the room ventilated.
If a floor nut is rusted solid, cut the bolt with a small hacksaw blade instead of prying on the bowl.
Need help now? Call to be connected with a local provider in Prescott who can check availability for your address.
How do you check the toilet flange before setting a new toilet?
Check the toilet flange by scraping off the old wax and looking closely at the ring, the bolt slots and the floor around it. The flange should be solid, screwed to the floor, level with or slightly above the finished floor, and free of cracks or heavy rust.
Stop and call if you find any of these:
- A cracked or broken plastic flange, or a cast iron flange rusted through
- Bolt slots that are snapped, so the bolts cannot hold
- Soft, dark or spongy flooring around the drain, a sign of a long-running leak
- A flange sitting well below the new tile or flooring
Repair rings fix some flange problems, but a rotten subfloor or damaged drain pipe is beyond a simple toilet swap, and a bad flange often leads to a leak that soaks the floor or the ceiling below.
How do you set the wax ring and bolt the toilet down?
Set the wax ring by pressing it onto the flange or the bottom of the bowl, then lowering the toilet straight down so the bolts come up through the holes. Press down with your body weight and a slight rock to seat it. Do not lift it back up once it touches, or the seal can break.
- Fit new closet bolts in the flange slots, pointing straight up.
- Center the wax ring and remove the rag from the drain.
- Lower the bowl in one smooth motion, guided by the bolts.
- Check level side to side and front to back. Use plastic shims if the floor is uneven.
- Add washers and nuts, tightening each side a little at a time until the bowl is firm.
How do you connect the tank and water supply and test for leaks?
Connect the tank by setting it on the bowl with its gasket, tightening the tank bolts evenly, then attaching a new braided supply line hand-tight plus a small turn with a wrench. Open the valve slowly and watch every joint for drips before you flush.
Test in this order:
- Fill: check the supply nut and shut-off valve.
- Flush several times: look for water at the tank bolts and around the base.
- Paper towel test: wipe the floor around the base after a few flushes. A wet towel means the seal is not right.
If you caulk the base, leave a small gap at the back so a future leak shows.
Should you repair your toilet or replace it?
Repair a toilet when the problem is a part inside the tank, such as a flapper, fill valve or handle. Replace it when the bowl or tank is cracked, when it clogs often because of a weak flush, or when it keeps rocking or leaking even after a new seal.
Points to weigh:
- Running or slow-filling toilet: usually a simple part. See toilet and faucet repair.
- Cracked porcelain: replace.
- Leak at the base: often a failed wax ring, but check for a damaged flange or floor before choosing a new toilet.
- New flooring: check that the flange height still matches the new floor.
If water has been leaking under the toilet for a while, ask about leak detection before closing up the floor.
When should you stop and call a plumber?
Stop and call when the flange is broken, the floor is soft, the shut-off valve will not close, the drain pipe looks damaged, or the toilet still leaks after a second try with a new seal. Those problems sit below the toilet, and forcing a fix can damage the floor and the room underneath.
Other good reasons to call:
- You smell sewer gas after the toilet is set
- The toilet is moving to a new spot, which means changing drain and vent lines
Moving drains or vents is work for a properly licensed plumbing contractor, not a weekend project. Call (928) 212-9822 to be connected with a local provider who can check availability for your address.
What happens during the visit?
During the visit, the provider inspects the toilet, flange, floor and shut-off valve, explains what they found and your options, and gives you a written quote before any work begins. You decide whether to go ahead.
- Inspection: they check the flange, flooring, supply valve and rough-in.
- Options explained: a new seal, a flange repair, a new valve or a full toilet swap.
- Written quote: you get the scope in writing before work starts.
Before they arrive, keep the supply valve closed, take photos of any water damage, and clear a path to the bathroom.
Installing a toilet in Prescott, Chino Valley and Prescott Valley
Prescott sits at about 5200 feet elevation at the north end of the Bradshaw Mountains, according to NOAA, and cold weather affects toilet work here. University of Arizona Cooperative Extension puts the 50% chance of Prescott's first fall freeze at Oct 13 and its last spring freeze at May 12. A wax ring stored in a cold garage gets stiff, so let it warm to room temperature indoors before you set the toilet. In an unheated cabin, water left in the trap can freeze and crack the porcelain.
Prescott's water quality report for reporting year 2022 describes city water as moderately hard, averaging 75 to 130 ppm. Mineral buildup on an old shut-off valve can keep it from closing fully, so test it before you disconnect anything. The City of Prescott says customer shut-off valves are usually located behind the City's meter box, and only City personnel may operate the City meter shut-off.
Homes in Chino Valley, Prescott Valley, Dewey-Humboldt and Williamson Valley follow the same steps. Under Arizona's residential R-37 plumbing classification, licensed contractors install and repair water piping and fixtures, and you can look up a contractor in the Arizona Registrar of Contractors' online search.
Related pages
Questions people ask
Can I install a toilet myself in Prescott, or do I need a plumber?
Many homeowners in Prescott install a toilet themselves when the flange, floor and shut-off valve are in good shape. If any of those are damaged, or the toilet is moving to a new spot, call to be connected with a local provider.
How do I know what size toilet to buy for my bathroom?
Measure the rough-in, the distance from the finished wall to the center of the floor bolts. Buy a toilet made for that rough-in, then check that a round or elongated bowl fits the room.
Can I reuse the old wax ring when I put a toilet back?
No. A wax ring only seals once. Always use a new wax ring or waxless seal, even if the old one looks fine.
What should I do if the toilet flange is broken or cracked?
Stop before setting the new toilet. A cracked or broken flange will not hold the bolts or seal properly. Some can be fixed with a repair ring, but rusted pipe or a soft floor needs a professional look.
Why does my new toilet rock back and forth after I installed it?
Usually the floor is uneven or the bolts are loose. Slide plastic shims under the low side and snug the nuts evenly. Do not crank the nuts to stop the rocking, which can crack the base.
Why is water leaking from the base of my new toilet?
The wax ring likely did not seal, often because the bowl shifted or was lifted after setting. Shut off the water, pull the toilet, scrape the old wax and reset with a new ring.
Is sewer gas dangerous while the toilet is off the drain?
Sewer gas is unpleasant and should not be breathed for long. Stuff a rag in the open drain, keep the room ventilated, and finish the job promptly.
What should I do if the shut-off valve behind my toilet won't turn?
Do not force it with a wrench, which can snap an old valve. Close the main shut-off for the house instead, then have the valve replaced.
Can cold weather in Prescott affect installing a toilet?
Yes. A cold wax ring is stiff and seals poorly, so warm it to room temperature indoors first. In an unheated home, water in the trap can freeze and crack a toilet.
How do I winterize a toilet in a vacant house near Prescott?
Shut off the water to the toilet, flush to empty the tank, and sponge out the remaining water in the tank and bowl. Use a plumbing antifreeze made for RVs in the trap if you leave it dry.
How do I know if the floor under my toilet is rotted?
Look for soft, spongy or dark flooring around the base, or a toilet that rocks no matter what you do. Stop and have the floor checked before setting a new toilet.
Can I move my toilet to a different spot in the bathroom?
Not as a simple swap. Moving a toilet means changing drain and vent lines, which is work for a licensed plumbing contractor and may need a permit.
What should I ask before hiring someone to replace my toilet in Prescott?
Ask what they will inspect and for a written quote before work starts. You can also look up an Arizona contractor in the Registrar of Contractors' online search.
Should a renter in Prescott replace a toilet without asking the landlord?
No. Check your lease and talk to your landlord before any repair work begins, since the owner usually decides how a toilet is replaced.
Who is responsible for a leaking toilet in a Prescott home, me or the city?
You are. The City of Prescott says the customer's responsibility for water and pipes begins after the meter, so a toilet leak inside the home is the owner's to fix.
Talk to someone about your plumbing problem
Call to be connected with a local provider who can check availability for your address and explain the next step.