Designed for both retrofit and new construction residential applications, Navien’s H2Air Kit* allows for forced-air space heating and DHW system integration between NPE-A Series tankless water heater models and a hydronic air handler. With H2Air you will have a combination appliance that can provide endless domestic hot water and continuous space heating when sized correctly.
H2Air is compatible with hydronic air handler models that require W1/W2/R terminals along with single or dual-stage thermostats†. The included Outdoor Reset Sensor provides optimum performance and efficiency for space heating.
H2Air Kit includes:
There’s no need to putting off a more Energy Efficient, Cost Effective home comfort system.