In great condition around 6 yrs old reason for selling upgraded to combi very clean and in perfect working order all the connections are with it pump, programming unit , outside flue,.This was bought and put in at the time by British gas, some paperwork with it too who every buys this has a bargain and a steal at the price please feel free to ask any questions will answer to the best knowledge I know of this boiler please text if possible if wanting to view the item