Generally, they can occur from one of the following causes: 1  Infection. 2  Environmental exposure. 3  Malignancy. 4  Occupational exposure. 5  Collagen vascular disease (an inflammatory condition of the body including the lung) 6  Drugs. 7  Idiopathic (unknown causes)
01-08-2006, 09:34 AM. Check to see if you have the tap marker (handle) turned down to far. The jam nut (lever collar) for holding the marker straight should not be touching the lever bonnet. The bonnet is the nut that holds everything to the faucet. If it is touching, this will cause your sticking Faucet.
Some pressure problems can be caused by faulty, damaged or leaking pipes and fittings, for example, ball valves and stop taps inside your home. 1  Corrosion-If the pipes in your home are old, they may have become corroded, restricting the water flow. 2  You may want to ask your local plumber to check this for you.