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General| Model | FBN1251 |
|---|---|
| Type | Condensing Boiler |
| Input BTU/hr | 125, 000 |
| Efficiency | 95% |
| Fuel Type | Natural Gas or Propane |
| Weight | 215 lbs |
| Modulation Ratio | 5:1 |
| Electrical Supply | 120V |
Explains how the control module manages boiler functions and system needs.
Describes the advanced stainless steel heat exchanger design.
Covers essential safety components like LWCO, high limits, and relief valve.
Presents technical data including input, output, and sizes.
Instructs on installing vent and combustion air piping correctly.
Explains the function and maintenance of the LWCO.
Details procedures for verifying gas pressure and connections.
Warns against improper replacement of the gas valve.
Describes the connection and maintenance of the condensate drain.
Outlines requirements for boiler water and filling procedures.
Details measures for protecting the boiler against freezing.
Provides procedures for detecting gas leaks.
Step-by-step instructions for starting the boiler.
Guides on checking flue gas composition.
Describes the capabilities and features of the SMART TOUCH control.
Details built-in safety mechanisms and protections.
Outlines recommended maintenance tasks and intervals.
