Plumbing How-To Guides

Pick the right salt, fill the brine tank correctly, break up salt bridges, and keep your water softener running so you get consistent soft water without the scale and spotty dishes.

Test your water pressure, find the PRV on your main line, and adjust it to a safe 50-60 PSI -- before high pressure wears out your fixtures, appliances, and water heater.

Raise or lower your toilet tank water level to fix weak flushes, stop a running toilet, or cut water waste -- covers ball floats and cup floats in 5 minutes flat.

Set your gas or electric water heater thermostat to the right temperature for comfort, safety, and lower energy bills -- plus how to verify the actual output with a thermometer.

Seal your shower with a clean, watertight caulk bead -- prevents leaks, mold, and water damage behind the walls. Under $15 and one hour of work.

Swap out sediment, carbon, and specialty cartridges in whole-house and under-sink systems -- the right filters, the right schedule, and the correct order for multi-stage setups.

Test the temperature and pressure relief valve on your water heater to make sure it works -- the safety device that prevents tank explosions.

Everything you need to pick the right kitchen or bathroom faucet -- hole count, mount type, finish, valve technology, and features that actually matter for your sink and daily use.

Calculate the right water heater size so you never run out of hot water -- covers first-hour rating for tanks, GPM for tankless, quick sizing charts, and the mistakes that leave people taking cold showers.

The 10-minute fix for low faucet pressure that most people overlook -- remove, clean, and reinstall your faucet aerator to restore full flow and fix uneven spray.

Clear a clogged or smelly P-trap in minutes. No special tools needed -- just a bucket, pliers, and a brush. Fixes slow drains and sewer odors at the source.

Deep clean your shower door tracks to clear soap scum, mold, and mineral buildup -- fix stiff doors and stop water leaks from clogged weep holes.

Route the dishwasher drain hose to the garbage disposal inlet with a proper high loop or air gap to prevent backflow and odor.

What is involved in converting a propane water heater to natural gas -- orifice changes, gas line sizing, venting, and when a new unit makes more sense.

Flush mineral scale from your tankless water heater with vinegar and a pump kit -- the annual maintenance that keeps efficiency high and prevents error codes.

Drain your water heater tank without burning yourself, flooding the floor, or damaging the unit -- step-by-step for gas and electric models.

Stop the flooding, patch the pipe, and make a permanent repair -- emergency and long-term fixes for a burst water pipe using SharkBite fittings, compression couplings, or solder.

Stop a dripping kitchen faucet by replacing the cartridge, O-rings, or valve seat -- covers single-handle, two-handle, and ball-type faucets.

Fix a shower head that keeps dripping after you turn it off -- figure out if it is a normal drain, a worn cartridge, bad washers, or a loose connection, and fix it.

Stop a dripping gate valve stem -- tighten the packing nut, replace the packing, or swap the whole valve for a ball valve, depending on what the situation calls for.

Find and fix a leaking sink drain -- whether it is the basket strainer seal, the tailpiece connection, or the P-trap slip joints -- with the right fix for each failure point.

Fix water pooling around your faucet base -- replace worn O-rings, tighten loose mounting nuts, or reseal a cracked base plate on single-handle and two-handle faucets.

Diagnose and fix a running toilet when the flapper, fill valve, and float adjustments have already failed -- overflow tube cracks, flush valve seats, and hidden causes.

Diagnose and fix a running toilet -- flapper replacement, fill valve swap, float adjustment, and overflow tube check -- with the dye test that tells you exactly what is wrong.

Stop water leaking under the sink by tightening or replacing the drain basket, P-trap connections, or tailpiece -- the three most common leak points.

Stop water leaking between the tank and bowl by replacing the tank-to-bowl gasket, bolts, and washers -- a 30-minute fix that prevents floor damage.

Diagnose and fix low water pressure at a single faucet -- clogged aerator, blocked supply valve, kinked line, or cartridge restriction.

Restore full flush power by cleaning clogged rim jets, adjusting the flapper, raising the tank water level, or clearing a partial trapway blockage.

Drain sediment from your water heater tank to restore heating efficiency, reduce noise, and extend the unit's lifespan. 30-minute annual maintenance task.

Flush sediment from your tank water heater to cut energy bills, eliminate rumbling noises, and add years to its life -- the most important maintenance task most homeowners skip.

Add a bidet seat or bidet attachment to your existing toilet in under an hour -- no plumber, no electrical work for most models.

Increase low water pressure throughout your house with a booster pump on the main supply line -- sizing, placement, and electrical connection.

Mount a drop-in (top-mount) kitchen sink into a countertop cutout -- sealing, clamping, and connecting the drain and supply lines.

Install an apron-front farmhouse sink in your kitchen -- cabinet modification, support framing, and connecting the drain and faucet to the exposed front panel.

Raise a toilet flange that sits below the finished floor -- fix rocking toilets and wax ring leaks caused by new tile or flooring installed over the original subfloor.

Mount a frameless glass shower door on tile or stone walls -- drilling, anchoring, hinge installation, and getting a watertight seal without a frame.

Install or replace a garbage disposal from start to finish -- remove the old unit, mount the new one, wire the electrical, and connect the drain plumbing without leaks.

Replace a fixed shower head with a handheld model in 10 minutes -- no tools required beyond hand-tightening and Teflon tape.

Remove an old kitchen faucet and install a new one from start to finish -- disconnect supply lines, pull the old faucet, mount the new one, and connect everything leak-free.

Install or replace a PRV on the main supply line to reduce high water pressure below 80 PSI -- protecting pipes, fixtures, and appliances from pressure damage.

Stop wasting water waiting for it to get hot -- install a recirculation pump using a dedicated return line or a comfort valve system (no new piping), with timer and sensor options.

Install an under-sink reverse osmosis system for the cleanest drinking water at home -- feed water connection, filter mounting, storage tank, drain saddle, dedicated faucet, and the critical initial flush.

Add a battery backup to your sump pump system so it keeps running during power outages -- when heavy rain makes flooding most likely.

Install or replace a sump pump for reliable basement flood protection -- pump selection, pit prep, check valve, discharge line routing, and the testing routine that keeps it working.

Mount a toilet on a concrete slab floor using a flange, concrete screws, and a wax ring -- without cracking the slab or creating leaks.

Install a motion-sensor kitchen faucet -- sensor box mounting, battery or AC power, and calibrating the sensor for reliable hands-free operation.

Stop banging pipes by installing a water hammer arrestor at the fixture causing the noise -- a 15-minute fix that protects pipes from pressure shock damage.

Connect a water softener to the main supply line with bypass valve, drain connection, and brine tank setup -- the installation that protects every fixture in the house.

Install a whole-house water filtration system on the main supply line -- filter placement, bypass valve, and connecting to copper or PEX pipe.

Install a thermostatic mixing valve at the water heater or at a specific fixture to prevent scalding -- required by code in many areas for homes with children or elderly.

Install a thermal expansion tank on your water heater to absorb pressure spikes, protect pipes, and meet code. A $30-50 part that prevents serious damage.

Mount an undermount sink to granite, quartz, or solid surface -- clip placement, silicone application, drain hookup, and the 24-hour cure that makes it watertight.

Convert any standard toilet to dual-flush with a $20-$30 kit -- half flush for liquid, full flush for solids. Saves 15,000+ gallons per year.

Reduce heat loss, get hot water faster, and prevent freezing by insulating exposed hot water pipes with foam sleeves -- a $20-$50 project that pays for itself in months.

Wrap exposed pipes with foam insulation to prevent freezing, reduce heat loss, and stop condensation sweating. Under $20 in materials for most homes.

Cut your water heating bill by insulating the tank with a blanket and wrapping the first 6 feet of pipe -- a $20-50 project that pays for itself within a year.

Connect PEX tubing using crimp rings, expansion fittings, or push-fit connectors -- the three methods compared with step-by-step instructions for each.

Relight a gas water heater pilot light safely. Takes 5 minutes once you know the sequence. Covers both manual and electronic ignition models.

Measure the rough-in distance correctly so your new toilet fits the first time -- covers 10, 12, and 14-inch rough-ins and common mistakes.

Re-prime a shallow well jet pump that has lost its prime -- the step-by-step process to get water flowing again after the pump runs dry.

Strip old caulk and lay a clean, watertight bead around your tub or shower -- the $15 maintenance job that prevents thousands in water damage and mold.

Remove crumbling or moldy grout and replace it with fresh grout and sealer -- the repair that prevents water damage behind your shower tiles.

Remove stubborn calcium, lime, and rust rings from your toilet bowl using vinegar, pumice, or commercial cleaners -- without scratching the porcelain.

Fix a pinhole leak in copper water pipe with a push-fit repair coupling, solder patch, or epoxy -- temporary and permanent repair options.

Swap an old bathroom faucet for a new one in under an hour -- centerset, widespread, and single-hole installations with supply line and drain pop-up connections.

Fix lukewarm hot water caused by a broken or deteriorated dip tube -- the plastic pipe inside the tank that directs cold water to the bottom for heating.

Swap a torn or grimy disposal splash guard (baffle) in 2 minutes -- stops food and water from splashing out of the drain opening.

Swap a clogged or damaged faucet aerator in 2 minutes -- restore full water flow, fix sputtering, and choose the right GPM rating for your fixture.

Replace a faucet cartridge to stop drips, fix stiff handles, and restore temperature control -- covers Moen, Delta, Kohler, and other major brands with the tricks for stuck cartridges.

Swap a faulty fill valve in 15 minutes to stop a running toilet, phantom flushing, or slow tank refill.

Replace a leaking or frozen outdoor faucet with a frost-proof sillcock that shuts off water inside the heated wall -- preventing frozen pipe bursts.

Swap out an old kitchen faucet in about an hour. Covers single-hole and three-hole installations, supply line connections, and leak testing.

Remove an old kitchen sink and install a new one -- drop-in or undermount. Covers disconnecting plumbing, cutting countertop openings, and sealing for a watertight fit.

Replace a seized or leaking main shut-off valve with a quarter-turn ball valve -- the upgrade that makes every future plumbing repair possible.

Swap a worn shower valve cartridge to fix temperature problems, drips, and hard-to-turn handles. The part inside the wall that controls everything.

Remove and replace a corroded, clogged, or damaged shower drain cover and body -- snap-in, screw-in, and compression drain types.

Replace a shower valve cartridge or the entire valve body to fix temperature swings, stop leaks, or deal with a shower that will not turn off -- single-handle and two-handle valves covered.

Swap a stuck, leaking, or unreliable shut-off valve for a modern quarter-turn ball valve -- compression, threaded, and push-fit connections all covered.

Fix a leaking sink drain by replacing the strainer basket assembly -- plumber's putty, locknut, and tailpiece connection in 20 minutes.

Remove a failed sump pump and install a new one. Covers sizing, pit prep, discharge connections, and float switch setup. Prevent basement flooding before it happens.

Fix a pilot light that will not stay lit by replacing the thermocouple -- the $10 safety sensor that tells the gas valve to stay open. 15-minute job.

Stop a running toilet by replacing the flapper -- the $5 rubber seal at the bottom of the tank. 10-minute fix that saves hundreds of gallons per day.

Remove an old toilet and install a new one -- drain, pull, set the wax ring, position the bowl, attach the tank, and test for leaks without cracking the porcelain.

Replace a tank-style water heater from start to finish -- drain, disconnect, swap the unit, reconnect plumbing and gas or electric, and test for leaks and proper operation.

Fix a toilet leaking at the base by replacing the wax ring seal. Remove the toilet, scrape old wax, set new ring, reset. Under $25 and 1-2 hours.

Swap the sacrificial anode rod in your water heater to prevent tank corrosion, eliminate rotten egg smell, and extend the unit's lifespan by years. $20-30 part.

Change the filter cartridges in your under-sink water filtration system -- single-stage, multi-stage, and reverse osmosis filter replacement step by step.

Swap old supply lines for braided stainless steel -- the single best preventive measure against under-sink water damage, and a 20-minute job that could save you thousands.

Disposal stopped dead? Find the reset button, clear the overload, and get it running again in under 5 minutes.

Adjust your water heater to the ideal temperature for safety, efficiency, and bacteria prevention -- covers gas, electric, and tankless models.

Stop a rocking toilet with plastic shims and caulk -- a 10-minute fix that prevents wax ring failure and water damage.

Clear a clogged drain with a drain snake (auger). Reaches clogs that plungers cannot -- deep in the trap, wall pipe, or main line. Essential plumbing skill.

Solder (sweat) copper pipe joints the right way -- cut, clean, flux, heat, and feed solder for watertight connections that last the life of the building.

Test your gas water heater thermocouple with a multimeter to determine if it is the reason your pilot light keeps going out -- a 10-minute diagnostic.

Test your water heater's T&P relief valve in 2 minutes to make sure it will actually open when it matters -- plus how to replace a failed valve.

Check your home's water pressure with a $10 gauge. Takes 2 minutes. Identifies high pressure (pipe damage risk) and low pressure (flow problems) before they cause trouble.

Test your sump pump in 10 minutes -- verify it activates, pumps, and shuts off, plus inspect the float switch, check valve, discharge line, and backup system.

Test your water with DIY strips, reagent kits, or certified lab analysis -- what to test for, how to collect samples, how to read results, and what treatment actually fixes common contaminants.

Safely thaw a frozen water pipe using a heat gun, hair dryer, or heat tape -- without bursting the pipe or starting a fire.

Fix a kitchen or bathroom faucet that wobbles, rotates, or rocks on the countertop -- usually a loose mounting nut that takes 5 minutes to tighten.

Systematic diagnosis when your gas water heater stops producing hot water -- pilot light, thermocouple, gas valve, and burner checks.

Find and operate the shut-off valve for every fixture in your house -- toilets, sinks, washing machines, water heaters, and the main shut-off.

Clear a clogged bathtub drain using a drain snake, plunger, or manual hair removal -- without chemical cleaners that damage pipes and tub finishes.

Clear a clogged kitchen sink using a plunger, drain snake, or P-trap cleaning -- without chemical drain cleaners that damage pipes.

Clear a kitchen sink clog with five methods from easiest to most aggressive -- boiling water, plunging, baking soda, P-trap cleaning, and drain snaking.

Clear a clogged toilet with a flange plunger, hot water and soap, or a toilet auger -- without cracking the porcelain or wrecking the wax ring.

Clear a jammed disposal safely using the Allen wrench port, remove what is stuck, and get it running again without burning out the motor.

Step-by-step instructions for operating a hand drain snake -- feeding, cranking, breaking clogs, and retrieving debris. The technique that makes the tool work.

Connect copper, PEX, or CPVC pipe in seconds with push-fit (SharkBite) fittings. No soldering, no crimping, no glue. The fastest way to make a watertight connection.

Use SharkBite push-fit fittings on copper, PEX, or CPVC -- how they work, how to prep the pipe, how to connect, and how to disconnect when needed.

Protect your pipes from freezing and bursting with a complete winterization checklist. Covers occupied homes and vacant property shutdown procedures.

Connect a 240V electric water heater to the electrical panel -- wire gauge, breaker size, grounding, and thermostat wiring for safe, code-compliant installation.