If your hot water cylinder is getting older than 10-15 years, it's wise to consider replacing it. This can help you avoid unexpected problems and ensure you continue to have a reliable supply of hot water.
Common signs that it's time to replace your water heater include its age (usually 10-15 years), rusty or discolored water, strange noises, leaks or pooling water around the tank, and insufficient hot water supply.
As a general rule, a conventional water heater with a tank will have an average lifespan of 8 to 10 years. They can even live up to 12 with a mixture of attentive maintenance and sheer good luck. However, serious dysfunction only becomes harder to avoid past the 6-year mark.
Water heaters show several signs of going bad, including lack of hot water, temperature fluctuations, decreased water pressure, strange noises, rotten egg smell, visible leaks, rusty or discolored water, and increased energy bills. If your water heater is over 10 years old, it may be time to consider a replacement.
Absolutely! After 20 years, your tank water heater is well past its life expectancy. If you have a tankless water heater, it's approaching its life expectancy. At this point, you should expect additional repairs from wear and tear.
Poor water heater performance can sometimes stem from an anode rod that's overdue for replacement. If you notice signs of poor performance, such as discolored or rusty water, sulfuric or rotten egg smells, popping sounds from the tank, or high heating bills, inspect your water rod to determine if it needs replacement.
If you suspect your water heater is more than 10 years old—it is time to consider replacing it before you're left with an emergency decision. To determine the age of your water heater, you'll need to identify the Brand Name and Serial Number for your unit.
If your water heater is more than 10 years old, it's probably reaching the end of its lifespan. Most conventional electric hot water tanks will last 10-15 years maximum. Gas-powered hot water tanks usually breakdown after 8-10 years, while tankless water heaters can last over 15 years with regular maintenance.
A general rule of thumb is that a hot water cylinder should last about 15 years. Most major manufacturers, including Rinnai and Rheem, have a 10-year warranty on their products. If your hot water cylinder is less than 10 years old, we'll almost always consider repairing it instead of replacing it.
If neither you nor a professional have flushed your water within the last five years, Water Heaters Now recommends not flushing it yourself.
A qualified plumber will be able to install the cylinder correctly and safely. The average cost of hot water cylinder replacement in New Zealand is from $2,000.
If your hot water cylinder is getting older than 10-15 years, it's wise to consider replacing it. This can help you avoid unexpected problems and ensure you continue to have a reliable supply of hot water.
Expect to pay $920 to $1,177 for electric water heater installation costs.
It's important to note that standard homeowners insurance policies typically only cover damage to the structure of your home and personal property. They do not include replacement cost coverage for the heater itself.
Most homeowners should flush their water heaters every 6 months or so, but if you have extremely hard water, you may want to do it more often. Flushing your hot water heater could be necessary as often as every few months depending on the mineral content of your local water supply.
Sediment can build up over time in a water heater, shortening its lifespan. To prevent this, you should flush your water heater at least once per year. Flushing will help to remove any sediment that has built up and improve the efficiency of your water heater.
Anode Rod Replacement: While an anode rod costs between $20 and $50, a plumber can replace it for $50 to $150. The job typically takes about an hour. The anode rod protects the tank from corrosive materials and needs to be changed every few years. Water Heater Tank Flush: A water heater flush kit can cost around $150.
To identify which anode rode you have simply look at the face of the brass nut on the anode, if you see an “A” stamped into the front of the brass nut you have an aluminum anode, if the face of the nut is blank you have a magnesium anode.
In any case, water heater anode rods are essential for protecting your tank from corrosion, but they eventually wear out after around 3-5 years, depending on many factors including the hardness or softness of your water.