tankless water heater

Best Water Softener for Tankless Water Heater: The Installation Order That Voids Your Warranty

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Best Water Softener For Tankless Water Heater

Most tankless water heater manufacturers set a maximum hardness limit in their warranty documentation, and exceeding that threshold without treatment upstream can void coverage. The installation sequence matters as much as having a softener at all: a unit placed downstream of the heater provides zero scale protection to the heat exchanger. This article covers what … Read more

Water Softener Before Tankless Water Heater: Why Installation Order Determines Whether Your Warranty Is Valid

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Water Softener Installation Tankless Water Heater

Hard water is one of the most common reasons tankless water heaters fail years ahead of schedule, and most major manufacturers will not cover that damage under warranty if you had no softener upstream. The installation order is non-negotiable: the softener must go before the heater, not after. Get that wrong and you are protecting … Read more