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Posted by dave on June 02, 2010 at 20:47:47:
In Reply to: Re: Leaving tankless coil inside oil fired boiler posted by HeatPro on June 02, 2010 at 11:38:19:
: You can leave the disconnected coil without closing off the tubes.
: Some have their burner tubes and parts with leaks in them so they fire daily to keep the prime. If the burner is tight with no leaks, no need to run the burner daily.
: However, there isn't any savings from an electric water heater replacing tankless boiler heat as electric is more expensive until the oil is $4 a gallon in most areas.
Thanks for the info. The reason for the switch is to have more hot water- i just keep running out with my old boiler. One last question, will i have any problems restarting the boiler in the winter if i shut it off in the summer when i use an electric water heater for hot water?? I have read there may be an issue with a "cold start". Not sure what that is but i assume it is when the boiler has been shut down for a while and goes completely cold.