The main ports are 3/4" NPT

and heating elements while isolating sensitive control boards from electrical noise and feedback

If the switch clicks when pressed

ensuring minimal impact on the main pneumatic header

Contractors often utilize this part when overhauling ANSI Class 125 cast iron valve bodies where corrosion or scale buildup has compromised the original seating surface

Armstrong Fluid Technology 818602-100K Bearing Assembly 318820-201 The main ports are 3/4"The Armstrong Fluid Technology 818602 100K Bearing Assembly is a complete, factory integrated SBA 6 solution tailored for high demand fluid handling. This all in one kit includes the core bearing assembly, a high performance mechanical seal, and a protective cast iron coverplate. It is specifically engineered to repair and restore centrifugal pump efficiency in Series S & H circulators and Series 1060 pump models. Featuring a durable 5 8" stainless