On September 29, 2016 at 16:21, King of typos said...
I've always wondered, if it would be better to put a Point Of Use heater closer to the fixtures in a large house. Say it would services 3 fixtures, what are the probably of all 3 being used at the same time. This is to use the POU heater for those VERY important seconds to et the hot water. Then once the normal water heater's water reaches the POU, the POU can then adjust as needed.
KOT
This is really what's more ideal especially in manifold setups like I mentioned above. Here's an example of a manifold similar to what I used in my own home. Manablocs they are called
[Link: s324.photobucket.com]