000 ohm sensitivity

polytubing connections

Advanced silicon nitride construction provides high mechanical strength and resistance to oxidation

ensure the seating surface is free of debris and pipe dope

The standard 1/4-inch quick-connect terminals simplify wiring

Weil McLain 511-405-006 Ciculator Cartridge Els PW 17895 000 ohm sensitivityThe Weil McLain 511 405 006 Circulator Cartridge is a field proven OEM replacement part engineered specifically for high efficiency AHE Boiler models. Designed for professional hydronic applications, this wet rotor circulator cartridge replaces worn motor assemblies without requiring a full pump housing teardown, saving significant bench time on the job site. The assembly features a high grade centrifugal impeller and water lubricated bearings that