There are no products in your shopping cart.
877-468-1110
Fully modulating gas fired on demand water heater with sealed combustion (optional) power vented flue. Rated for indoor/outdoor use to supply hot water to; domestic hot water systems (direct or indirect using water storage tank applications) with or without recirculation system piping, hydronic systems, radiant floor heating, and combined domestic water and heating systems.
| Natural Gas Input | Min. 25,000 Btu | Max. 199,000 Btu |
| LPG Input | Min. 25,000 Btu | Max. 199,000 Btu |
| Gas Connection | 3/4" NPT | |
| Water Connections | 3/4" NPT | |
| Water Pressure | Min. 15 psi | Max. 150 psi |
| Natural Gas Pressure Inlet | Min. 5" WC | Max. 10.5" WC |
| LP Gas Pressure Inlet | Min. 11" WC | Max. 14" WC |
| Manifold Pressure | Natural 1.8" WC | Propane 2.3" WC |
| Weight | 70 lbs. | |
| Dimensions | 23.6" x 18.5" x 8.9" | |
| Ignition | Electronic Ignition | |
| Electrical Supply | AC 120 V |
Specifications may change without prior notice.
Installation Manual: TM199.pdf (1003 KB)
Specification: TM199_SideA.pdf | TM199_SideB.pdf