How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Billy Your Own Question
Billy, Mechanical Contractor
Category: Plumbing
Satisfied Customers: 21997
Experience:  State Licensed Mechanical Contractor
Type Your Plumbing Question Here...
Billy is online now
A new question is answered every 9 seconds

Hi- My oil burner is not turning on. Im thinking its the

This answer was rated:

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 3 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 3 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!


Billy and other Plumbing Specialists are ready to help you

Related Plumbing Questions