110223B-241 Armstrong Astro 220SSU075S-T Astro 220SSU Circulator

110223B-240 Armstrong Astro 220SSU050S-T Astro 220SSU Circulator stainless steel 3/4″ sweat. Comes w/timer and 6 ft line cord. *Astro 2 HWR Systems (for dedicated return – 3 pipe installation). The Armstrong Astro 2 hot water re-circulation system automatically circulates water through domestic water pipes. This ensures that hot water is available instantly at every tap throughout a residence. From a cost and environmental point of view, far less water is wasted each time a hot water faucet is opened – saving an average of 12,000 gallons of water annually for a typical four-person household. Ideal for retrofit applications.