How do you loosen brass fittings?

Asked By: Antonino Gales | Last Updated: 27th February, 2020
Category: home and garden home appliances
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Loosening brass fittings
  1. Clean the fitting thoroughly.
  2. If heating is necessary, place a fire-safe cloth on the wall or floor around the fitting.
  3. With a coworker standing by with a fire extinguisher, move the flame of the torch back and forth over the connection.
  4. Place the wrench over the fitting and loosen the nut.

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Also, how do you loosen a stuck brass fitting?

Brass fittings, primary used on hot or cold water lines to connect one piece of pipe to another, become stuck due to corrosion or over-tightening. Sometimes loosening a stuck brass fitting is as easy as turning the locknut counterclockwise to tighten it further and then turning clockwise to loosen.

Also Know, should you use Teflon tape on compression fittings? The bolts have to be tightened evenly. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe.

Correspondingly, how do you loosen a copper fitting?

Apply a penetrating lubricant such as Liquid Wrench or WD-40 to the fixture or nut and allow it to soak in for at least two hours. Apply more penetrating lubricant and allow it to soak in for another two hours. Turn the fixture or nut to loosen it.

Will wd40 loosen rusted bolts?

WD-40 penetrant spray not only helps in loosening the rusty and stuck nuts and bolts, but can also help in keeping them safe from getting rusted again in the future.

22 Related Question Answers Found

How tight should brass fittings be?

There is no specific torque or other fixed installation technique. Use tape dope, tighten to hand tight, 2-3 more turns and leak test the bloody thing. According to this reference, the pipe should be in the fitting 9/16" for 3/4 NPT threads. This one states 0.400 inches for hand tight and 0.5457 for maximum.

How do I tighten my brass NPT fittings?

How to Tighten Npt Fittings
  1. Insert the male thread into the female fitting.
  2. Turn the male pipe thread in a clockwise direction.
  3. Continue to turn the male pipe fitting in a clockwise direction until you can no longer do so, approximately two to four full revolutions depending on the size and type of fitting.

How do you release a compression fitting?

Use two crescent wrenches to release the compression fitting.
  1. Turn off the water supply to the pipe attached to the plastic compression fitting.
  2. Place the compression nut in the jaws of a second crescent wrench, tightening the wrench to the nut.
  3. Remove both wrenches.

How do you loosen a tight gas line?

Tap lightly several times around the sides of the central nut using a hammer. This will help dislodge any rust attached to the nut's threads. Place the wrench around the central nut, tighten it and try to turn the wrench handle counter-clockwise to loosen the nut.

How do you loosen a hose connection?


Tap lightly around the sides of the spigot at the bottom, where the hose is attached, several times with a hammer or the handle of a screwdriver. Be careful not to hit so hard that you damage the spigot or hose. Spray the joint with WD-40, trying to aim it up into the threads, and wait about 10 minutes.

How do I remove rust from bathroom faucet nut?

To loosen your faucet, you should put a wrench on its nut and strike it with a hammer. Ensure that the surrounding area is free of any valuable items as the action requires a sharp striking motion against the plumbing nut. In some cases, this impact should be enough to loosen the frozen nut from the corroded threads.

What direction do you turn a bolt to loosen it?

Typical nuts, screws, bolts, bottle caps, and jar lids are tightened (moved away from the observer) clockwise and loosened (moved towards the observer) counterclockwise in accordance with the right-hand rule.

How do you loosen a really tight screw?

How to Loosen a Stuck Screw
  1. Make sure you've got the right size and shape of screwdriver.
  2. Be sure you're turning the screw in the proper direction.
  3. Put some penetrating oil or WD-40 on the screw and let it sit for a while.
  4. Apply some heat directly to the screw head using an electric soldering gun or a propane plumbing torch.

How do you loosen bolts with heat?

Torch Your Stuck Bolt
Using a flame to loosen the bolt. Now heat the bolt and nut. Put the flame directly over the stuck part, or the part you can get to safely. Heat it for 30 seconds or so and it should free up easily.

How do you unscrew something?


To unscrew a screw without a screwdriver, use a butter knife, coin, credit card, or the tab from a soda can to twist the screw counterclockwise. You can also grip the screw with a pair of pliers and try unscrewing it that way. If it's a tiny screw, use the tip of a knife or a pair of tweezers to unscrew it.