this part features a 5/8-inch bore

controllers

making it a drop-in solution for Nordyne pressure regulators and Intertherm or Miller heating units

and Aire-Flo models

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

Trane CNT2230 Control R-410A this part features a 5/8-inchAs 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