Weil McLain 511-405-006 Ciculator Cartridge 30067439-890 This robust unit utilizes two

This robust unit utilizes two independent SPDT switches to monitor both the high and low sides of your refrigerant circuit

you must utilize an ASCO enclosure rated for NEMA 7 or 9

Optimized Combustion: Precision-balanced blades maximize combustion air intake

The circuit will not re-close automatically once the temperature drops below the setpoint

Can I mix high-volume and low-volume modules in the same stack

Weil McLain 511-405-006 Ciculator Cartridge 30067439-890 This robust unit utilizes twoThe 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