Armstrong Fluid Technology
S&H Circulator line and the seal bearing assemblies used to service them are available in maintenance-free versions that eliminate the need for oiling. Armstrong seal bearing assemblies are also compatible with many competing circulator models that require maintenance. The universal module that services the 2, 3, 4, and 5 Series S&H circulators is also compatible with installed SBAs.
Armstrong World Industries: Axiom Design Troughs
Focal Point: Score 2 Suspended and Surface Mount
APM Steam: Heat Exchanger Assessment and Testing Service
Russelectric: RTSMV Automatic Transfer Switch
HID: Amico