Armstrong Circulators

Maddock Industries carries and sells Armstrong S&H 3-Piece Circulators, used for general purpose HVAC hydronics systems.

With an ECM motor option and a proven fixed-speed design, Armstrong S&H 3-Piece Circulator are cost-effective, durable and easy to maintain. Models are available in the traditional sleeve-bearing design as well as the new, permanently-lubricated, maintenance-free design.