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General| Model | Crest OFN4001 |
|---|---|
| Type | Condensing Boiler |
| Input BTU/hr | 400, 000 |
| Efficiency | 95% |
| Fuel Type | Natural Gas |
Critical safety precautions for servicing, boiler operation, and immediate actions for gas leaks.
Table detailing model numbers, input/output MBH, AHRI ratings, water content, and connections.
Details required compliance with local, state, national codes, NFGC, ANSI/ASME, and NEC.
Covers pre-location checks, required clearances from combustibles, and service access.
Step-by-step guide for installing the optional outdoor vent kit, including hood and trap box.
Details recommendations for gas regulators, filters, placement, venting, and sizing for natural gas and propane.
Covers piping to the boiler, support, purging, leak testing, and sealing compound use.
Specifies pipe sizing for natural gas and required supply pressure at the gas valve inlet.
Instructions for checking gas connections for leaks using a bubble test and safety warnings.
Instructions for starting the boiler and troubleshooting common issues if it does not start correctly.
Check gas piping for odor and verify connections for leaks using a bubble test.
Procedure to measure combustion performance using an analyzer and verify CO levels.
Crucial safety warnings and step-by-step instructions for operating the boiler and turning off gas.
