MAV 1 is a coin-operated control intended for paid water release. The price for litre of water and currency can be set (the primary pre-set currencies are Czech crowns and EURO, other currencies to order only). After inserting a coin the amount is shown on the built-in display and the control is ready to release water. Water starts flowing by means of the START button. Water is automatically measured according to the inserted amount coins and pre-set time. The remaining amount of money is continuously shown on the display. Water can be turned off by means of the STOP button and turned on again by means of the START button. The amount of water (dosage) can be increased by inserting more coins at any time.
The valve for water dosing and the water meter must be protected against freezing in the case of all-year operation. The system must be equipped with a blow valve. Coin-operated control MAV 1 can be equipped with a coin counter PM 1 to order.