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Need help?Do you have a question about the A.O. Smith BTH 120 Series and is the answer not in the manual?
Provides instructions and requirements for installing a positive lock-up gas pressure regulator.
Provides guidance for BTH 120-150 installations at high altitudes.
Describes the gas orifices used in BTH 199 and 250 models.
Covers Cyclone, Direct, Conventional, and Concentric Venting methods.
Lists approved materials for vent systems.
Provides instructions and requirements for installing a positive lock-up gas pressure regulator.
Provides guidance for BTH 120-150 installations at high altitudes.
Describes the gas orifices used in BTH 199 and 250 models.
Covers Cyclone, Direct, Conventional, and Concentric Venting methods.
Lists approved materials for vent systems.
General| Brand | A. O. Smith |
|---|---|
| Model Series | BTH 120 Series |
| Energy Source | Natural Gas or Propane |
| Water Connections | 3/4" NPT |
| Type | Tankless |
| Ignition Type | Electronic |
| Voltage | 120V |
| Warranty | 15 years heat exchanger, 5 years parts |
