The lilyking 667 185kw boiler stove has an integral back boiler that is capable of powering up to 10 radiators the lilyking 667 boiler stove is full of great features such as controlled burn rate cool touch handles and secondary combustion to increase efficiency this stove offers great value and can really make a difference to your heating bill as an addition to your heating systemairwash systemdual air controlsexternal riddling crate