DHT is proud to announce that our Techtanium (TT Series) Indirect Water Heaters are now certified in the AHRI Indirect Water Heaters (IWH) Certification Program as an Original Equipment Manufacturer (OEM). The specific models certified are:
- TT-40
- TT-55
- TT-79
- TT-119
Certified products will also carry a sticker with the AHRI logo and the test standard.