Its compatible operating range and sweat-on configuration make it a staple for servicing older 4-ton cooling units where maintaining peak SEER efficiency is critical

Prevention of Air Infiltration: Eliminates leaks that can alter the fuel-to-air ratio and introduce debris into the combustion chamber

When diagnosing chattering contactors or burnt points

the actuator includes an external manual operation lever that allows technicians to manually open the valve

facilitating faster service calls and reduced system downtime

Armstrong Fluid Technology 871101-704 Ball Bearing 320720-756 Its compatible operating range andThe Armstrong Fluid Technology 871101 704 Outboard Ball Bearing is a high performance replacement pump bearing specifically engineered for Armstrong Series 4030 pumps with "M" style bearing assemblies. This industrial grade ball bearing is designed to support the mechanical integrity of Armstrong bearing frame assemblies, ensuring smooth shaft rotation and reduced friction in demanding HVAC and fluid flow environments. Featuring a 45mm 6309 2RS