The Bell & Gossett Series 100NFI is an iron body circulator pump designed to efficiently circulate water through residential and light commercial hydronic heating systems. Its three-piece design features a cooling unit with built-in strainer, drain valve, and suction screen, making maintenance straightforward with fully replaceable parts.
Rated at 1/12 HP and 1750 RPM, this 115V pump is compatible with 3/4" through 1-1/2" pipe sizes and includes a 120V power cord and an automatic reset overload protector for reliable, long-term operation. Cross-references Armstrong S-25 and Taco 110.