About The H2Air; Included Items - Navien H2Air Installation Manual

1. About the H Air
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Navien H Air is an add-on controller for the Navien water heaters. It adds input
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and output functions to the water heaters for a combination application where
space heating and domestic hot water (DHW) are supplied simultaneously. With
this add-on controller, a thermostat (1 or 2-stage) and an outdoor sensor can be
installed along with a hydronic air handler to add space heating functionality to
the system.

1.1 Included Items

The product is supplied with an installation kit. Make sure that the installation kit
contains the following items before installing the product.
Navien H Air
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Installation Manual
Add-on Controller
Main Control Connector
Outdoor Temperature Sensor (with
(13-pin cable for connection to
cable)
water heaters)
Flow Switch (with cable)
About the H Air 5
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