Bell & Gossett’s BPX 2” double-wall brazed-plate heat exchanger has a patented design and provides the highest level of leak protection, safety and thermal efficiency for commercial building and water-heating applications, the company states. The BPX can deliver a maximum flow rate of 230 gpm and meets the evolving plumbing code requirements. A dedicated air gap facilitates leak detection should a leak occur, ensuring system control
Plate heat exchanger from Bell & Gossett
![Plate heat exchanger from Bell & Gossett](http://www.pmengineer.com/ext/resources/PME/2016/June-2016/products/pme0616GreenScene_BellGossett.jpg?1466617630)