Big help johneh, I understand prurple wires indicate SD #1, while SD #2 is connected to yellow wires.
Here's a pic of my Quadrafire 1200-I wiring for these are mounted and I am thinking that it probably doen't matter if they are the reverse location of yours or the normal mount, so long as the wires represent the correct SD.
So just know that the yellow wires on at the top though in the second image I tried to capture a number on the SD'd but this is the best I could get after several tries.
This is why I asked if each SD shows a part number so I can be sure when ordering. Because I cannot see any numbers on these two SD's. Only the lettering on the yellow wire SD "TP" if you know what that means?
By the way the blower which blows the air up the venting stainless steel chimney piping still works. Is that what you mean by convection blower?
![[Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I [Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I](https://www.hearth.com/talk/data/attachments/344/344214-5a988c890c6374fac20823e4c889a182.jpg?hash=DdX9EoVQ4f)
![[Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I [Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I](https://www.hearth.com/talk/data/attachments/344/344213-0c450a90d2a54970a9eb86c98723b79f.jpg?hash=DqZK9xc3Dd)
Here's a pic of my Quadrafire 1200-I wiring for these are mounted and I am thinking that it probably doen't matter if they are the reverse location of yours or the normal mount, so long as the wires represent the correct SD.
So just know that the yellow wires on at the top though in the second image I tried to capture a number on the SD'd but this is the best I could get after several tries.
This is why I asked if each SD shows a part number so I can be sure when ordering. Because I cannot see any numbers on these two SD's. Only the lettering on the yellow wire SD "TP" if you know what that means?
By the way the blower which blows the air up the venting stainless steel chimney piping still works. Is that what you mean by convection blower?
![[Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I [Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I](https://www.hearth.com/talk/data/attachments/344/344214-5a988c890c6374fac20823e4c889a182.jpg?hash=DdX9EoVQ4f)
![[Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I [Hearth.com] New T-stat worked, now no augur Quadrafire 1200-I](https://www.hearth.com/talk/data/attachments/344/344213-0c450a90d2a54970a9eb86c98723b79f.jpg?hash=DqZK9xc3Dd)