Help me understand this Hot Water System

[MichaelDrew]

It sounds like you're dealing with some frustration over your hot water system. From what you've described, it's possible that the delay in getting hot water could be due to the type of system you have or even the cold weather in VIC. As for leaving the Rinnai SunMaster unplugged, it might be worth checking with a professional to see if it could be utilized to improve your hot water situation. Additionally, if you're experiencing issues with your hot water system, it might be a good idea to consider getting it checked out by a professional, like those at rowlen.co.uk. They can provide insights into any potential issues and offer solutions to improve your system's efficiency.