PACO Pump 99853453 O'Ring 322838-753 High-Limit Precision: Calibrated to open

High-Limit Precision: Calibrated to open at exactly 200°F to protect heat exchangers

ensuring seamless integration with existing furnace roof jack components without compromising draft integrity or exhaust pressure

The cast aluminum housing provides a lightweight yet durable footprint

Field Reversibility: Simple plug-and-play reversible rotation allows for clockwise or counter-clockwise operation to match existing airflow requirements

PACO Pump 99853453 O'Ring 322838-753 High-Limit Precision: Calibrated to openFor veteran technicians servicing industrial cooling towers and hydronic circulation loops, the PACO Pump 99853453 O'Ring is the mission critical G4 model seal required for high performance maintenance. Measuring with a 7. 10" Inner Diameter (ID) and a 7. 25" Outer Diameter (OD), this heavy duty elastomeric pump seal is engineered to withstand the rigorous thermal and chemical demands typical of centrifugal pump applications. This part serves as the