Bell & Gossett SU66-4 4 Pass Shell & Tube Heat Exchanger 5-260-06-072-002 150PSI

3-1/2″ ID x 7-1/2″ OD Top Flange

8-3/8″ ID x 10-1/2″ OD Tube Flange

The Bell & Gossett SU66-4 is a high-performance 4-pass shell and tube heat exchanger engineered for efficient heat transfer in demanding hydronic and industrial systems. Its multi-pass U-tube configuration increases fluid velocity and improves thermal efficiency, making it an excellent choice for applications where reliable temperature control is critical. Constructed with a durable shell and robust internal tube bundle, this unit is designed for longevity and ease of maintenance. Rated for a maximum working pressure of 150 PSI, the SU66-4 is well suited for boiler systems, process heating, and plant utility loops. Whether for new installations or system upgrades, this heat exchanger delivers dependable performance and proven Bell & Gossett quality in commercial and industrial environments.