Richardson Heating & Cooling is Dedicated to Your Home Comfort
Non-Condensing Standard Vent Tankless Water Heaters
Fully modulating' gas fired' tankless water heater specifically designed for residential and commercial applications. Supplies hot water to domestic hot water systems (directly or indirectly) which can be used with storage tanks' recirculation systems' hydronic heating systems' radiant floor heating systems' and/or combined domestic and heating applications.
- Remote Control Included with all models
- Low NOx
- Copper primary heat exchanger is constructed of commercial-grade copper' which is stronger than standard copper and more resilient against erosion.
- Built in freeze protection
- Category III Venting
- Surge protection
- Troubleshooting and diagnostic codes
MODEL | Configuration | Max MBtuH | Min MBtuH | Flow Rate GPM | UEF | Temp. Range | Dimensions HxWxD | Weight Lbs. |
---|---|---|---|---|---|---|---|---|
GTS-110-NI | Interior | 140.0 | 19.5 | 6.60 | 0.82 | 20.25x13.75x7.75 | 33 | |
GTS-310-NI | Interior | 190.0 | 11.0 | 8.00 | 0.82 | 20.25x13.75x7.75 | 38 | |
GTS-510-NI | Interior | 199.0 | 11.0 | 10.00 | 0.83 | 20.25x13.75x9.5 | 39 | |
GTS-110U-NI | Interior | 140.0 | 15.0 | 6.60 | 0.82 | 20.25x13.75x9.5 | 33 | |
GTS-310U-NI | Interior | 190.0 | 15.0 | 8.00 | 0.82 | 20.25x13.75x9.5 | 37 | |
GTS-910-NIEA | Interior | 380.0 | 15.0 | 14.50 | 0.82 | 25.3x24.8x11.8 | 113 | |
GTS-510U-NI | Interior | 199.0 | 15.0 | 10.00 | 0.82 | 20.25x13.75x9.5 | 39 |
Warranty Information
- All Parts for 60 months -
- Heat Exchanger for 144 months - Residential Applications
- Heat Exchanger for 60 months - Commercial Applications
- Heat Exchanger - GTS-910 Residential: 10 Years
Available Documents
- View Document (Specification Sheet, Technical Information)
- View Document (Consumer Literature, Color)
- View Document (Specification Sheet, Technical Information)
- View Document (Specification Sheet, Technical Information)
- View Document (Specification Sheet, Technical Information)