Ideal I Mini 24kw Combi Boiler, Horizontal Flue Kit With Timer. (Sedbuk A Rated). Product Description.. The i-mini from ideal has been designed for the busy installer looking for a straight forward, easy to use, no-nonsense range of combis. Available in a choice of outputs, 24 and 30kW, and featuring tried and tested technology, the i-mini is quick to site and easy to install. Inclusive of a cast aluminium-silicon alloy heat exchanger, a low lift weight and supported by a 2 year parts and labour warranty, the i mini is the complete fit and forget solution, perfect for replacement installations. Features.. Key Features - Domestic hot water pre heat Cast alumimum silicone heat exchanger Brass water set one year parts and labour warranty Compact stylish appearance and cupborad fit as standard Switchable pre heat Grundfos pump. Flow Rate - 9.9 ltrs per min. Ideal 2 Year Guarantee. (Price Includes Vat and Delivery to Most Uk Postcodes).