Jump To TLDR: Your hot water cylinder should be set to at least 60°C. That’s hot enough to stop Legionella bacteria growing in the tank. A tempering valve then cools the water down before it reaches you, so basins, showers and baths in homes plumbed since November 2024 get 50°C […]
Jump To TLDR: The most common hot water cylinder sizes in New Zealand are 135L, 180L, 250L and 300L. A 180L is the standard replacement for a 2–3 person household, 250L suits 3–4 people, 300L suits 4–6, and 340L or bigger suits 6 or more. Cylinders the same size can […]
Jump To Section Quick answer: From stone cold, a standard 180L electric cylinder takes about 3½ hours to reheat on a 3kW element. Smaller tanks are quicker; bigger tanks and 2kW elements take longer; and winter adds a bit on top. Heat pumps are slower to recover but far cheaper […]
Contents Quick answer: Sudden loss of hot water is most often a tripped breaker, a failed element, or a faulty thermostat — all repairable. A leaking tank, on the other hand, means the cylinder itself has failed and needs replacing. This guide helps you tell the difference before you call anyone. First checks […]
Contents Quick answer: Most New Zealand homeowners pay roughly $3,500–$5,500 to replace a standard electric hot water cylinder like-for-like, including supply and installation. A pressure conversion, a hard-to-reach location, or an upgrade to a heat pump cylinder ($7,500–$9,500 installed) pushes it higher. Below is what drives the price, and how to keep it sensible. […]
Electric hot water systems have rapidly become a favorite option in New Zealand homes — and rightly so. With the move of residential buildings to eco-friendly and energy-saving technologies, electric hot water systems are still the ones to go in terms of being reliable, environmentally-friendly, and offering great value over […]
When upgrading or replacing a cylinder, deciding whether to go for a mains pressure or a low pressure hot water system is probably the most crucial decision of a homeowner. Knowing the differences will allow you to pick the system that matches the size, plumbing, and lifestyle of your home […]