design envelopecompass h circulators
Residential heating and cooling; potable water supply
The Armstrong Compass H is an energy-efficient variable speed wet-rotor circulator. Designed to replace existing fixed speed circulators, with popular flange-to-flange dimensions, Compass H can be considered a universal replacement for all circulators in its capacity range.
Cast iron and stainless steel volutes.
Eight operation modes with patented “Auto” algorithm, four Sensorless modes and three fixed speed modes. 50 Hz and 60 Hz designs
Up to 20 USgpm (1.26 L/s) flow; up to 20 ft (6.1 m) head
Max ambient temp. 40°C; max water temp. 110°C
5 W to 45 W