Many Sydney home owners have water heater systems installed on their roofs but no longer in use.
Some of the common reasons for removing water heater systems are:
collects leaves, debris and can cause leakage or can be a fire hazard in house fires / bushfire
can be extra weight on your roof
pool water heater system contain chemicals and sea salt
as these systems are fixed in several points, in case of severe weather conditions and storms, strong winds can get grab of the water heater system – possibly pulling it out from the fixed points, leaving you with a badly, storm damaged roof