WOW...alot of questions...........
1. Runs until it heats the set point on the thermostat
2. it can heat to any temp you like. It is all set up at the original
startup and setup
3. Any problems with what? The boilers??...I have had none. Oh
there was one the plugs kept leaking in the proto types. The boiler was
replaced for free to the customer....with a new warranty starting at the
start of the new installation
I prefer the Viessmann and the Lochinvar Knight. I don't like the Ultra's
aluminum heat exchanger with it's fingers for heat transfer. The fingers
won't be there in five years, what happens to efficiency then?
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