Caleffi 577870A 577 XF Magnetic Dirt Separator, 1-1/4″ NPT Female Union, Composite/Brass

Description

The Caleffi 577870A is a 577 XF magnetic dirt separator with a 1-1/4 in union female connection and a composite/brass body, engineered to capture suspended dirt and ferrous particles from hydronic systems using a rare-earth magnetic field.

Product data compiled from Caleffi North America technical documentation. Last reviewed June 2026.

FunctionMagnetic Dirt