
Hose only 1/4 inch ID. This is too small for almost every water heater. As of October 2018 the description says perfect for a water heater. This would be fine for little ones to fit under the counter and heat water for a sink. A 1/4" pipe provides only 25% more water than a 1/2" pipe, and a 1/2" pipe is still too small for a heater that supplies water to an entire house.

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