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brentnel
Oct 21, 2009, 05:28 AM
Hello,
I have an oil furnace.I cannot get it to come on.I checked both the feed line and return line and found no resistance when I blew into them.I am not getting any fuel to the pump.When I push the reset button on the unit, it will run 5 to 10 sec. and shut off.There is fuel in the tank and the filter and nozzle has been changed.Can any one please help me with this issue.
hvac1000
Oct 21, 2009, 05:50 AM
Besides having to bleed the pump to remove all air you might have a leak in the line be it ever so small. When the pump runs and is trying to suck oil to the pump it might be sucking air instead. A very very small leak will do this. oil filters are known to be a leak source also. They have gaskets etc that if not installed correctly will cause a air leak also.

Another possibility is a weak or defective pump.

Good luck with your project.