05/28/2026
Hear that noise? That’s an airflow problem on this tankless water heater. This unit is getting several error codes. There seems to be some debris affecting the airflow which is causing this unit to malfunction and make weird noises.
4M Plumbing | Honest, reliable plumbing in San Antonio since 2020. Master Plumber Lic. #39324. Call or text 24/7: 210-888-8343
5707 Horizon Drive
San Antonio, TX
78228
Be the first to know and let us send you an email when 4M Plumbing posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.