- Overview
- Product Registration
- Tank Vs. Tankless
- Warranty
- FAQs
- Glossary of Terms
- Tax Credit / Rebates
- Distributor/Service Provider Locator

- Home
- >
- Products
- >
- Tankless Water Heaters
- > T-H3J-DV/OS
T-H3J-DV/OS
The T-H3J is a high efficient, condensing tankless water heater perfect for residential applications. With gas inputs of 160,000 BTU, the T-H3J can produce enough hot water for two bathrooms in warmer climates or 1.5 baths in colder climates.
Downloads:
Download T-H3J-DV/OS Specification Sheet
Download T-H3J-DV/OS Sales Sheet

Available for indoor and outdoor installation, the T-H3J 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 systems, and/or domestic & heating applications.
- Maximum flow rate of 6.6 GPM at 35°F temperature rise (4.3 GPM at 70°F rise)
- Energy Factor of 0.95 for NG and LPG
- Primary heat exchanger utilizes HRS35 commercial-grade copper alloy for 25 times better heat transfer than stainless steel
- Secondary heat exchanger utilizes 316L stainless steel for better corrosion resistance
- ENERGY STAR® qualified
- Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
- Indoor model has integrated controls and power cord as standard features
- Outdoor model includes remote control as standard feature
- Venting with Schedule 40 PVC, CPVC, PP, Category III stainless steel
- Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes
| Natural Gas Input | Min. 15,000Btu | Max. 160,000Btu |
| LPG Input | Min. 13,000Btu | Max. 160,000Btu |
| Gas Connection | 3/4" NPT | |
| Water Connection | 3/4" NPT | |
| Natural Gas Pressure Inlet | Min. 5.0" W.C. | Max. 10.5" W.C. |
| LP Gas Pressure Inlet | Min. 8.0" W.C. | Max. 14.0" W.C. |
| Weight | 58 lbs | |
| Dimensions | 22-1/2" H x 17-3/4" W x 10-3/4" D | |
| Ignition | Electronic ignition | |
| Electrical Supply | AC 120C (60 Hz) | |
| Water Pressure | Min. 15 psi | Max. 150 psi |
| Natural Manifold Pressure | 2.0-2.5" W.C. | |
| LP Manifold Pressure | 3.7-4.5" W.C. |
|


