preventing heat exchanger damage by interrupting the heating circuit when temperatures reach the 160°F trip point

ensuring a seamless fit and proper motor balance

and Quaker air handlers and furnace blowers

it is recommended to install it with the actuator above the horizontal plane of the pipe to prevent condensation from entering the motor

all engineered to maintain precise blade positioning under high static pressure loads

Bell & Gossett 101241LF Flange Set 321894-709 preventing heat exchanger damage byThe Bell & Gossett 101241LF is a professional grade 1 1 2 inch NPT Lead Free Bronze flange set engineered for high performance hydronic heating systems and potable water applications. Designed specifically for use with B&G NRF, NFI, and Series PL pumps, these isolation flanges allow for seamless pump servicing without the need to drain the entire loop. The low lead bronze construction ensures full compliance with safe drinking water standards, making