andreas. faucet design. February 23rd , 2018.
Second - Disassemble the Faucet: The same basic principals apply to all faucet types when starting to take a faucet apart for repair or replacement. Keep all parts and layout in the order you take them apart. This will help you both put the faucet back together and identify the parts to be replaced. See below for specific variations in faucet dis-assembly.
Once you have the faucet out, replace all rubber washers and o-rings. When replacing washers, check the condition of the metal valve seats inside the faucet body. If the valve seats feel rough, they should be replaced or resurfaced.
It is quite obvious that the touch feature is powered by electricity. Sometimes people ask whether the faucets need to be connected to the mains. They think it might be dangerous. Others mistrust the very idea of electricity and water being together in a faucet. In fact, the touch sensitive faucets are powered by a set of four or six 1.5 V batteries. The voltage reached by such a pack does not exceed 9 volts, which is considered safe voltage even by the strictest regulations. The electricity, however weak, never comes in contact with water. In a typical touch sensitive faucet, water runs inside pipes made from non-conductive materials. So there is no threat whatsoever that could be attributed to the use of electricity in touch sensitive faucets.
Somewhere deep inside, many people would have loved a touch sensitive faucet in their kitchen. However, the ability of a faucet to turn on with just a light touch may sound too tricky, unbalanced, unpredictable and uncontrollable. What if there are young children or pets in the kitchen that can activate the faucet by accident? The most widespread reason for rejecting touch sensitive faucets is just the fear that it may not be suitable for families with children or pets.