Navien 20018343A – Buffer Tank Adapter – for NPE Series

The Navien 20018343A Buffer Tank Adapter is a genuine OEM component designed for seamless integration with NPE Series tankless water heaters. Made from high-performance PPS (polyphenylene sulfide), this adapter provides a secure and durable connection point between the unit and a buffer tank, allowing for improved hydraulic separation and temperature stability in domestic hot water applications. It’s an essential part for installations that require recirculation or enhanced flow control.

PNAV000230