| Brand | Armstrong |
|---|
Check the listing for details. Circulator pump. Condition: New – Open box. Listed at 29.00 USD. This pump was in storage, indoors, of a boiler tech. I cleaned out the property. There are no labels. There is a marking of "R 8" in the casting. I went to a boiler supply house in my city, and their best guess is that this is an Armstrong, Astro series. This may be, but not promised to be, an Astro 20 or Astro 25. The pump measures 5 1/4 inches wide from the end of one thread to the other. Height is 6 inches. Outside diameter of threads is approximately 1 7/8 inches. The pump weights 5 pounds, 7 ounces. These pumps sell for a few hundred dollars. Given that I am taking my best guess as to make and model, I'm selling this for far less. You are expected to know if this will work in your application.
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