A hot water system for a narrowboat which system comprises an auxiliary heater (10) used to heat a potable water tank (30) and further to heat living areas of the narrowboat. The auxiliary heater (10) and a temperature measuring device (31) operable connec...

A burner for a heater including an uptube for the vaporisation of fuel within and below the outlet thereof. The uptube is surrounded by a casing and heat transfer members extend between the casing and the uptube to transfer heat from the combustion area ou...