Quote:
Originally Posted by iamgeo
I stated that I have a tankless water heater.
I stated that I will put a hose bib where the pipes go under the house in order to drain water in case of a hard freeze.
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For solar hot water you need a storage tank of some sort and a storage tank will work great with an on demand water heater, really solar hot water heaters work best with on demand water heaters because they allow you to only use fuel to heat water that needs that bump in temp.