Excessive oil use


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Old 10-06-12, 05:06 PM
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Excessive oil use

My oil boiler tech. replaced the H/W primary control (R7184U1004) at the end of winter with a Beckett GeniSys model 7505P-1515, Over the summer, with only the domestic water being heated, we used 100 gallons MORE oil than the previous year. Could the GeniSys control, without the Enviracom feature, be the cause of the excessive oil use?
The boiler is a Weil-McLain U03 with an UltraPlus 40 indirect water heater. The oil tank in the basement with the oil line buried under the floor. There is no smell of oil anywhere.
 
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Old 10-06-12, 07:07 PM
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Could the GeniSys control, without the Enviracom feature, be the cause of the excessive oil use?
No. The only thing that the primary control does is provide the timing of the burner functions (motor on, oil valve open, ignition on, etc... ) and also monitors that there is a flame when there should be, and no flame when there shouldn't be, etc... the 'safety' features.

It does not control when the burner is called to fire. Your AQUASTAT does that.

Did the tech monkey with the settings in the aquastat?

What are the settings for your HI , LO , and DIFF on the aquastat dials?

the oil line buried under the floor
I sure hope you didn't LEAK that 100 gallons!

How old is the home?

Is the oil line encased in a plastic jacket, or just bare copper?

no smell of oil anywhere
Doesn't mean much... if it's under the concrete you wouldn't smell it.
 
 

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