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General| Model | Evergreen 399 |
|---|---|
| Boiler Type | Condensing |
| Efficiency | 95% AFUE |
| Fuel Type | Natural Gas or Propane |
| Vent Type | Direct Vent |
| Modulation Ratio | 5:1 |
| Max Temperature (°F) | 200 °F |
| Type | Gas Boiler |
| Water Connections | NPT |
| Vent Connection Size | 3 |
| Venting | PVC or CPVC |
| Electrical Supply | 120V, 60Hz |
Defines hazard symbols (DANGER, WARNING, CAUTION, NOTICE) for risk communication.
Information on sizing gas piping for natural and propane gas installations.
Installation instructions for sidewall venting with separate air and vent pipes.
Installation instructions for sidewall venting using concentric terminations.
Installation instructions for vertical venting with separate air and vent pipes.
Installation instructions for vertical venting using concentric terminations.
Details the correct installation procedure for the boiler's relief valve, including orientation and discharge piping.
Details system piping for single boiler setups, including zone valve and DHW integration.
Lists control faults, ignition retries, manual/auto reset counts, and lockout history for diagnosing issues.
Crucial pre-operation checks covering gas leaks, wiring, and system integrity.
Provides guidance for diagnosing and resolving common boiler issues and fault conditions.
Instructions for cleaning the heat exchanger's flue side, including burner and refractory inspection.
