The Mueller Industries A17939 is a high-performance 7/8" Magnetic Check Valve designed for critical backflow prevention in commercial refrigeration and air conditioning systems

Common Questions What is the maximum operating pressure for the B1H-15

Specifically designed for Hydrotherm HI-B and ID-A models

Facilitates a streamlined field conversion process

the microscopic pitting and scaling on a veteran strainer screen often lead to rapid re-fouling

Browning 2TB80 Sheave 319852-301 The Mueller Industries A17939 isThe Browning 2TB80 Sheave is a precision engineered 8. 35" outside diameter drive component designed for heavy duty HVACR and industrial power transmission. This two groove TB Gripbelt sheave is manufactured from high grade cast iron, ensuring structural integrity under high torque loads. Designed for use with Q1 series bushings, it provides a secure, concentric fit on the shaft, reducing vibration and extending bearing life. This versatile sheave is