Why don’t I have hot water as soon as I turn on the tap?

Without a Rinnai recirculation system, i’s normal to have a slight 1 - 2 second temperature drop as the water in the pipes clears the line. The wait time to get hot water is dependent on the distance between your Rinnai tankless water heater and the location of any hot water faucet within your home for an endless hot water supply.

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