A 60 year old Bell & Gossett series 100 circulator pump, that lasted until yesterday. The series 100 was the workhorse of residential hot water boiler circulators from about the 1950's well into the '80s and beyond. Although re-manufactured versions are still available, newer design wet rotor types are the norm - available from many manufacturers like B&G, Taco, and Grundfoss. Wilo energy saving smart pumps take technology a few giant leaps further, automatically adjusting to suit demand on various applications.
Call Perri-Aire for fast, expert boiler service in Chicago-land at 773-777-4888.
