Frequently Asked Questions Plumbing Frequently Asked Questions Can’t find what you’re looking for? Call Us 1300 55 2247 Which Hot Water System is best for me? What’s A Temperature & Pressure Release Valve (T&PR Valve)? What are the Safety Tips for T&PR Valve I need to do every 6 Months? What are Water Heater Anodes and how often do they need to be replaced?