Valves How-To Guides

Step-by-step how-to guides for valves maintenance, repair, and installation.

All Valves Guides 3

How to Replace a Shut-Off Valve

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

30 - 60 minutes $10 - $30 for ball valve

What you need:Two adjustable wrenches (one for the valve, one as a backup on the pipe)Quarter-turn ball valve (match inlet/outlet sizes and angle vs straight)Teflon tape (for threaded connections)Emery cloth or sandpaper (for cleaning pipe ends)Bucket and towels (for residual water)Braided stainless steel supply line (recommended replacement, $5-10)Pipe cutter (only needed if removing a soldered valve)Push-fit shut-off valve (optional alternative to compression, $15-20)

How to Adjust a Pressure Reducing Valve

moderate

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.

15 - 30 minutes $0 (adjustment); $10-15 for pressure gauge; $50-200 for PRV replacement

What you need:Water pressure gauge with hose thread ($10-15)Adjustable wrench (for locknut and adjustment screw)Flathead screwdriver (some PRV adjustment screws are slotted)

How to Fix a Leaking Gate Valve

moderate

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.

15 - 60 minutes $2 - $15 for packing; $50 - $200 for full replacement

What you need:Adjustable wrench (for packing nut tightening)Two pipe wrenches (for valve replacement on threaded connections)Graphite packing string or PTFE packing ($2-5)Flathead screwdriver (for pushing packing into the cavity)Quarter-turn ball valve (for replacement, match pipe size)Teflon tape (for threaded pipe connections)SharkBite push-fit fittings (optional, for soldered pipe connections)Towels (for cleanup)

Browse 3 expert how-to guides for valves. Each guide includes step-by-step instructions, tools needed, safety warnings, difficulty ratings, and pro tips from experienced plumbers.

Frequently Asked Questions

How many valves how-to guides are available?

We have 3 step-by-step how-to guides for valves, covering installation, repair, and maintenance tasks.

Do I need special tools for valves projects?

Most basic valves projects require common household tools. Each guide lists the specific tools needed before you start.