this part features a 5/8-inch bore

What is the purpose of the 3-inch insertion length

as long as the diameter

The Schneider Electric (Erie) VM3223T33A000 Valve Assembly is a professional-grade 3-way mixing zone valve designed for precision fluid control in closed hydronic systems

which is critical for the durability of replacement spring return motors in enclosed HVAC housings

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