Designed and made in Japan, the Rinnai INFINITY HD series are continuous flow gas hot water heaters with inbuilt frost protection. They have electronic ignition and require electricity to operate. The internal unit is a room sealed appliance.
Suitable for mains and medium pressure residential and commercial applications. The external HD200 and HD250 units are designed to be externally mounted on an outside wall. The internal HDi200 is designed for internal installations only, and can be installed in an enclosure if the requirements of AS/NZS 5601.1 are satisfied