For all your boreholes, Irrigation, pools, Plumbing and electrical installations and service At Cywell engineering we specialize in boreholes and Irrigation systems installations and repairs. With more than 25 years in the industry we guarantee quality service. Other services offered at Cywell engineering are Modern water features and water curtains. Borehole Water filtration systems(, including iron removal), tank installations and connecting to mains, General plumping, irrigation systems (new systems, repair and servicing), Manufactures of Motor protection devices (phase angle relay)