Xylem-McDonnell & Miller 344100 Tube Assembly SA66-35 #67

The Xylem-McDonnell & Miller 344100, also known as the SA66-35 Tube Assembly, is an essential replacement component for the 67 series pressure switch found in a variety of HVAC equipment. It serves as a crucial link that joins the system's pipes and pressure switch. Consider it as a straw that transmits pressure readings from the system to the switch, which in turn initiates vital operations such as the shut-off of the burner during low water situations. Typically, this tube assembly is made of sturdy stainless steel and has flawless connections at each end because to tight fittings.