Welcome! Here are the website rules, as well as some tips for using this forum.
If you've found help here, check back in to let us know how everything worked out.
It's a great way to thank those who helped you.
WHAT IS BEST TYPE OF AUXILIARY HOT WATER HEATER FOR THIS SCENARIO?
The hot water is provided by the coil in the oil boiler in a two family house. I would like to install a unit that will produce hot water other than put the boiler on in non heating months or when heat is not needed.
The boiler exhaust goes into a chimney.
I have a natural gas connection available and electrical outlets for 110 and can hook up 220 if needed.
I am looking for a setup that would work best. The two kitchens and two bathrooms are in line with each other and a couple of basement sinks and washer and dryer are there.
Most of the time very minimal hot water is used and only for a shower and dish washing.
I can put bypass valves between the boiler and water heater to switch what i'll be using.
i don't want to add alot of high amp breakers...put vent pipes in chimney..etc.