The integration of NBR (Buna-N) seals ensures a tight shut-off and compatibility with various media

Precision Speed Control: Maintains 1550 RPM to optimize cabinet unit heater efficiency and static pressure performance

it ensures high repeat accuracy that remains unaffected by cross-ambient conditions or barometric pressure shifts

Always verify the thermostat extension depth against the manufacturer's flue clearance requirements before installation

Heil Quaker ICP 1176937 Blower Wheel R-134A The integration of NBR (Buna-N)When you're dealing with a vibrating blower assembly or reduced airflow in a Heil Quaker or ICP furnace, replacing the centrifugal fan with a precision balanced OEM 1176937 blower wheel is the proper fix. This 11" x 11" double inlet concave wheel is engineered for high static pressure applications, featuring a 1 2" bore designed to seat securely on standard motor shafts. Unlike generic replacements, this wheel maintains the specific clockwise rotation