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Billy, Mechanical Contractor
Category: Plumbing
Satisfied Customers: 22678
Experience:  State Licensed Mechanical Contractor
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Hi- My oil burner is not turning on. Im thinking its the

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My oil burner is not turning on. I'm thinking it's the aquastat, but when I switch on power, I confirm that I do get 120 on limit and burners lines on the primary control.

on your primary control is there a T and T terminal?
And if so are they jumped together?
And if you have the control number I can pull schematic


Customer: replied 4 years ago.

Yes, Tw and Tr. They are not jumped together (Duh, as I see they are on the one I took off).


Control is Beckett GeniSys 120V Model 7505. Replacement for HW 7184P

Thank you,

so have you applied the jumper now?

Customer: replied 4 years ago.

Yessir, jumper on. And boiler has resumed its heating operations!


So, it looks like the core issue was control went.



You are correct. You made the right choice...just missed a jumper. Well done!


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