Re: Oil Burner & tankless hot water - temperature settings?
Posted by hj on April 15, 19101 at 22:14:56:
In response to Re: Oil Burner & tankless hot water - temperature settings?
If the system can heat the house at the new settings then your fuel bills should not change.
The water temperature should be controlled by a mixing valve set to the desired house hot water temperature.

: Hi. I have an oil furnace/burner that uses forced hot water baseboards. My hot water comes from a tankless
: hot water system attached to the furnace. I have nieces and nephews that I don't want to be scalded. The oil
: company (during their annual furnace tune-up) sets the HIGH water temp at 200 deg, the LOW water temp at
: 180 deg, and the CIRC water temp at 160. I've turned these down to HIGH 180, LOW 160, CIRC 145.

: Is this a problem? Have I diminished the furnace efficiency? How is the household hot water temperature
: determined? Will my fuel bills be lowered and have I done anything to prevent scalding? Will my house be
: heated properly?

: Any help would be much appreciated. Please send EMAIL to also with any replies. Have
: a happy Easter! Matt

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