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.
After years of daily use, a faucet may develop a leak around the handle when it is turned on, or drip constantly from the faucet no matter how hard you try to turn it off. Both problems can often be solved by replacing the washer and sealing the valve threads with Teflon tape.fter years of daily use, a faucet may develop a leak around the handle when it is turned on, or drip constantly from the faucet no matter how hard you try to turn it off. Both problems can often be solved by replacing the washer and sealing the valve threads with Teflon tape.