Armstrong Fluid Technology offers its line of Maintenance-Free (MF) S&H Circulators and the Seal Bearing Assemblies (SBA) used to service them. Armstrong MF S&H Circulators eliminate the need for oiling, saving time and cost for building operators. The company's SBAs are compatible with many competing circulator models that require maintenance. This allows building owners to upgrade those installed circulators by replacing the SBAs
with the maintenance-free Armstrong versions.
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