How do I unstick my main water valve?

Try turning the valve with your hand after tapping a few times. If you can feel it loosening up, add some more oil, tap, and turn. Rinse and repeat until it’s fully open. Use your hair dryer to heat up the valve body to melt any gunk and grime that’s built up and solidified into an adhesive.

Can you spray wd40 on water shut off valve?

Stuck valve: If you simply can’t turn the valve, which happens often with fixture shut-offs and old-fashioned main shut-offs, you may need to spray the valve with WD-40 and give it time to lubricate before trying again.

How do you free a seized valve?

How to Free Seized Shut-Off Valves

  1. Spray the shut-off valve with a spray lubricant. …
  2. Loosen the bonnet nut, located at the base of the valve shaft, with an adjustable wrench. …
  3. Turn the valve handle after the bonnet nut is loose. …
  4. Use a torch to free the shut-off valve.


How do you free up a corroded water valve?

How to Loosen a Corroded Water Valve (Step-by-Step)

  1. Shut Off Your Home’s Primary Water Supply.
  2. Turn On Faucets Throughout Your Home.
  3. Use a Cloth To Wipe Away Dirt and Grime.
  4. Apply Penetrating Oil to the Valve.
  5. Use a Hairdryer To Heat the Valve.
  6. Use Your Wrench To Twist the Valve Again.
  7. Replace the Valve if Necessary.

How long does WD40 take to work?

about fifteen minutes

Well, when it comes to making your choice of penetrating lubricant, a good product to use is WD-40 Specialist Penetrant. All you need to do is soak the screw with the WD-40 Specialist Penetrant spray and let it work its magic for about fifteen minutes or so.

Will WD40 loosen a stopcock?

Plumbing parts are made of non-ferrous metals, such as brass or copper, so they corrode and scale up rather than rust. Mark does not recommend using lubricating oil, WD40 or similar to try to loosen a stop tap.