Hot water heaters are in a different category..

when it comes to necessity.. you might not need a fridge, but you NEED a hot water heater.. well, if you ever expect to bathe lol.. Plus if your hot water heater blows out, you're gonna have a mini to large flood in the house causing untold amounts of damage.. so, hot water heaters are always something you should replace before you have to..

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Friendship is like peeing your pants.. Everybody can see it, but only you can feel the warmth..