Ethyl alcohol intended for industrial use is usually denatured (rendered unfit to drink), typically with methanol, benzene, or kerosene. Pure ethyl alcohol is a colourless, flammable liquid (boiling point 78.5 Â°C [173.3 Â°F]) with an agreeable ethereal odour and a burning taste.
1 Don't try to service your own well. 2  Preventive maintenance is less costly in the long run. 3  Do some homework before getting your water well system serviced.  Take some simple ongoing steps to maintain your well.
On a well and pump water supply system a check valve may be installed between the incoming water line from the well and the water pump and pressure tank, such as shown in this photograph of a one line jet pump with a check valve right at the water pump inlet.heck valves used on well water system piping are used to hold pressure in the system when the pump stops. Check valves on well piping also prevent backspin of the well pump, water hammer and upthrust inside the pump. These problems can damage the well pump. [1].