and RGDG-0130ARER units

and Aire-Flo models

What is the purpose of the 3-inch insertion length

Common Questions What are the signs that I need to replace my York S1-373-31175-000

as long as the diameter

Trane CNT2230 Control R-410A and RGDG-0130ARER unitsAs a veteran tech, you know that a reliable Trane CNT2230 Fan and Limit Control is the backbone of safe furnace operation. This genuine Trane replacement part is engineered to manage the blower cycle and provide critical high limit protection for the heat exchanger. With a furnace fan switch range adjustable from 50F to 265F and a high limit safety range of 100F to 300F, this control ensures the plenum temperature stays within the tight tolerances