Ariston wall-hung boilers are designed and manufactured using the strictest quality control methods to guarantee reliability at all times. There are models available to suit any heating and hot water demands. Ariston products offer maximum comfort and are designed to be durable, reliable and save space in the home. Ariston boilers are environmentally friendly; by using as little fuel as possible they are some of the most efficient boilers in their class. All boilers carry a 2 year guarantee.