Residential heating and cooling; potable water supply
The Armstrong Compass R is an energy-efficient variable speed dry-rotor circulator. Designed to replace existing fixed speed circulators, with popular flange-to-flange dimensions, Compass R can be considered a universal replacement for all circulators in its capacity range.
Cast iron and stainless steel volutes.
Eight operation modes with “Auto” algorithm, four Sensorless modes and three fixed speed modes. 50 Hz and 60 Hz designs
0 to 140 USgpm (8.8 L/s) flow; 0 to 40 ft (12.2 m) head
Max ambient temp. 40°C; max water temp. 110°C
1/6 hp and 1/2 hp
2 and 4 bolt
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Wide performance range
Lowest installed cost. Lowest operating cost.
Sustainability
(PDFs)
Design Envelope Compass H Circulators
Circuit Balancing Valves (½” - 2”)
E.2 Circulators
Astro 2 Circulators
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