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Old 05-12-2017, 05:30 AM   #15
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Originally Posted by ishoot308 View Post
Doesn't sound right to me....mine is pretty instant. The only water that may not be hot at first is water in the line between on demand unit and faucet but this is the same with any hot water heater...

I agree with Dan. I have a Rinnai condensing boiler combo with on demand heating. After replacing a 60 gal hot water tank, I see no difference in the delivery of the hot water. In fact if 2 people take a shower at the same time, the third person have cold water with the tank system. On demand is constant regardless of use.

After talking to a number of on-demand users, problems are because of faulty installations, not all plumbers have the knowledge to install.
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