Overview Product Description The Electrovalve Servo plus Water Hammer Arrestor is also known as a solenoid or water valve. This is the replacemnt water valve for all styles of Planus Toilets. 230 Volts Product Videos Custom Field Product Reviews Write a Review Write a Review × Planus Planus | Electrovalve 230V Servo plus Water Hammer Arrestor | EL-230V/SERVO/ANTIC Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments