Run the pump without igniting the boiler. Press and hold the button: mode (for Ariston series Aegis Plus 24 for 10 sec), Reset (for modifications UNO, Mathis for 6 sec). The rotation of pump wheel will initiate removal of accumulated bubbles from the coolant. Check automatic valves installed in heating system. As you can see it has 2 separate dials for heating and water. When I turn down the water dial on the right, the digital display updates with the set temperature. In this pic, the dial is set so the water temp is 50 degrees. However the heating dial on the left doesn't update the screen. As you can see in the pic, the current heating setting is Are you getting a Low Water Pressure Fault Code 108? or just looking to top up the pressure on the Ariston Clas HE Evo Combi boiler?This video shows you wher Sometimes, to restore the gas boiler Ariston to work, it is enough to clean the contacts yourself, adjust the gas supply power or restart the device. However, all breakdowns associated with violations in the operation of the electronics and the gas supply system to the combustion chamber should be entrusted to representatives of the gas Connect the Hive Hub up to your broadband router using the network cable provided. Then fit the power cable into the hub and plug it into a power socket. Before you go any further, make sure the mains supply to the central heating is off. Once that’s done, fit the receiver in a convenient location close to your boiler but at least 30cm away You should always call a qualified engineer to free a stuck diverter valve, at which point you may need to clean the valve or replace it entirely depending on the age of the model. If you need to book a boiler repair, visit our myVAILLANT web online portal which gives you control over your boiler’s guarantee, repair and service information. The Ariston Thermo Velis Evo is a water storage tank designed for indoor use with a capacity of 80 liters. The tank is supported vertically and features a solo boiler system with electronic ignition. With an energy efficiency class of B, this product has a load profile of M and an International Protection (IP) code of IPX4. ariston.set_data - sets data in the boiler. Uses max_retries attribute from configuration. Service attributes: entity_id - mandatory entity of Ariston climate. for the rest of attributes please see Developer Tools tab Services within Home Assistant and select ariston.set_data. Or you may also directly read services.yaml within the ariston folder. XfuzM.