Tankless Water Heater Error Codes
57 error codes across 5 brands and 44 model families.
| Brand | Error Codes | Model Families | Website |
|---|---|---|---|
| Ruud | 15 | 5 | ruud.com |
| Takagi | 14 | 12 | takagi.us.com |
| A.O. Smith | 10 | 10 | aosmith.com |
| Bradford White | 9 | 9 | bradfordwhite.com |
| Richmond | 9 | 8 | richmondheatandair.com |