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Design Envelope Compass R Circulators

Armstrong Design Envelope Compass R Circulators

The Armstrong Compass R is an energy-efficient Design Envelope variable speed dry rotor circulator for residential and light commercial heating, cooling and potable water. It is a universal replacement for fixed-speed circulators, using popular flange-to-flange dimensions, and can save up to 70% in operating cost and energy.

Features

  • Flow up to 140 USgpm (8.8 L/s), head up to 60 ft
  • 1/6 hp and 1/2 hp ECM motors, 115 V or 208–240 V single phase
  • Ductile iron (closed systems) or stainless steel (open systems, NSF 372 & NSF 61) casing
  • Auto, proportional pressure, constant pressure and fixed speed control modes
  • 2-bolt and 4-bolt flanges; spool piece included with the 25-140, 40-45 and 40-85
  • Maximum working pressure 175 psi (12 bar); liquid temperature -4°F to 230°F

Select your model

Click a model for full specifications, dimensions and documents.

Model Part no. Casing Voltage Motor Max head / flow Weight
Compass R 20-75 DI 119181-113 Ductile Iron 115 V 1/6 hp 20 ft / 75 USgpm 18 lb
Compass R 20-75 DI 119182-113 Ductile Iron 230 V 1/6 hp 20 ft / 75 USgpm 18 lb
Compass R 20-75 SS 119181-173 Stainless Steel 115 V 1/6 hp 20 ft / 75 USgpm 18 lb
Compass R 20-75 SS 119182-173 Stainless Steel 230 V 1/6 hp 20 ft / 75 USgpm 18 lb
Compass R 20-35 DI 119981-113 Ductile Iron 115 V 1/6 hp 20 ft / 35 USgpm 10 lb
Compass R 20-35 SS 119981-173 Stainless Steel 115 V 1/6 hp 20 ft / 35 USgpm 10 lb
Compass R 40-45 DI 119381-113 Ductile Iron 115 V 1/6 hp 40 ft / 45 USgpm 10 lb
Compass R 40-45 DI 119382-113 Ductile Iron 230 V 1/6 hp 40 ft / 45 USgpm 10 lb
Compass R 40-45 SS 119381-173 Stainless Steel 115 V 1/6 hp 40 ft / 45 USgpm 10 lb
Compass R 40-45 SS 119382-173 Stainless Steel 230 V 1/6 hp 40 ft / 45 USgpm 10 lb
Compass R 25-140 DI 119281-313 Ductile Iron 115 V 1/2 hp 25 ft / 140 USgpm 30 lb
Compass R 25-140 DI 119282-313 Ductile Iron 230 V 1/2 hp 25 ft / 140 USgpm 30 lb
Compass R 25-140 SS 119281-373 Stainless Steel 115 V 1/2 hp 25 ft / 140 USgpm 30 lb
Compass R 25-140 SS 119282-373 Stainless Steel 230 V 1/2 hp 25 ft / 140 USgpm 30 lb
Compass R 40-85 DI 119481-113 Ductile Iron 115 V 1/2 hp 40 ft / 85 USgpm 23 lb
Compass R 40-85 DI 119482-113 Ductile Iron 230 V 1/2 hp 40 ft / 85 USgpm 23 lb
Compass R 40-85 SS 119481-173 Stainless Steel 115 V 1/2 hp 40 ft / 85 USgpm 23 lb
Compass R 40-85 SS 119482-173 Stainless Steel 230 V 1/2 hp 40 ft / 85 USgpm 23 lb
Compass R 60-50 DI 119781-113 Ductile Iron 115 V 1/2 hp 60 ft / 50 USgpm 22 lb
Compass R 60-50 DI 119782-113 Ductile Iron 230 V 1/2 hp 60 ft / 50 USgpm 22 lb
Compass R 60-50 SS 119781-173 Stainless Steel 115 V 1/2 hp 60 ft / 50 USgpm 22 lb
Compass R 60-50 SS 119782-173 Stainless Steel 230 V 1/2 hp 60 ft / 50 USgpm 22 lb

Design & Submittals

Warranty

Covered by the Armstrong Fluid Technology manufacturer's warranty.

Installation, Maintenance, Parts Kits & Manuals

Need help choosing a circulator? call (416) 236-2338 or email sales@bramhambros.com