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ComfortCirc Recirculation Kit
Navien's ComfortCirc Recirculation Kit is designed for and integrates with the NWP500-series heat pump water heaters. The ComfortCirc Recirculation Kit communicates with the NWP500 heat pump water heater to optimize recirculation operation and minimize energy loss.
*Compatible with NWP500 units manufactured in or after November 2025
Part Number: (PFFW-SS2-001)

Leak Detection Sensor Kit
COMING SOON - Navien's Leak Detection Sensor Kit is designed to work with the NWP500-series heat pump water heaters. This kit continuously monitors and detects water leaks to minimize water damage, and an automatic water shut-off valve helps reduce water discharge.
Part Number: (GXXX002964)