Expert Tips

A.O. Smith BTH water heater common issues, corroded temperature sensor, burner, blower, error code

A.O. Smith BTH 120-250, 300 Series – Repair, Maintenance, and Common Issues

By USWHPRO • March 1, 2026
Learn the most common A.O. Smith BTH 120-250 300 Series water heater issues, plus expert tips for repair, maintenance, and long-term performance
A.O. Smith BTH Unit, service technician with burner assembly, inside of BTH commercial water heater

Water Heater 201: Introduction to Commercial Water Heaters

By Erin Trybulec • December 16, 2022
Water heaters are the secret lifeline of the food and hospitality industries. Learn about your commercial water heater and what to do when if your business loses hot water.
Preventative Maintenance Tankless Water Heater, BTR Swordfish Burners, Tankless Heat Exchanger

Water Heater 201 | Exploring the Value of Preventative Maintenance in the Food Industry

By Erin Trybulec • December 16, 2022
Understanding preventative maintenances for restaurant owners, chefs, etc.; avoid sanitation issues in restaurants by maintaining your water heater.