Purchasing a new water heater is not the first choice of Saturday afternoon activities for most people. When you do it, you want to make sure that you won't have to do it again for quite a while. There are many choices when it comes to home hot water heaters and choosing a durable model is a top priority for all homeowners. Considering the following three factors will help you feel confident that you won't have to go water heater shopping again for many years.
1) Tank warranty. Corrosion of the tank is the number one reason water heaters have to be replaced. The most durable home hot water heaters will come with a minimum six year warranty on the tank itself. There have been tremendous advancements in corrosion resistance and you should make sure you purchase a model that has employed them.
2) Insulation. Keeping the hot water hot is the job of the insulation. Insulation ranked R-24 is available and considered high end. But many models use insulation rated as low as R-6. You want to make sure the model you choose uses an insulation rated a minimum or R-16. This will help to keep your water hot, but the higher the rating, the more durable the insulation is too.
3) Magnesium anode rod. This part is essential for durability of the tank, and the whole water heater. Having one can change a six year warranty into a twelve year warranty. If the model you purchase doesn't have one, you can easily install one yourself, after market.
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