The 6kw wetback is designed to provide ALL of a households hot water requirements. If you intend on running the fire for extended periods ie: every day for room heating as well then you may risk boiling the water in your cylinder if your hot water needs are exceeded. Damage caused by excessive boiling will not be covered by warranty. See 2kw option below if your are not in need of large amounts of hotwater or have a large cylinder.

With an average households energy usage being around 50% for hot water heating alone you will find that the Butler Multi is a great power saver.

Note: This wetback gives an estimated 8kw of room heat and 6kw of hot water.