Armstrong In-Line circulators are favoured by system designers and chiller/ boiler manufacturers who prefer 3-piece construction for reliability, efficiency, and serviceability. Owing to our history of product innovation and a mandate for design compatibility, today’s models are direct substitutes for all compatible
circulators built over the last 50 years.

Universal sba sealed bearing assemblies
Significantly reduce spare parts requirements.

“One-size-fits-all” bearing module
Allows repair of any model with only one module design.

Circular oil wick
Provides superior lubrication for cooler running and longer life.

Sintered silicon carbide
Provides increase life expectancy for high temperature application.

Noryl non-ferrous impeller
Designed for both hydronic and potable water applications.