Tankless Water Heater Repair in Columbia
When your tankless water heater stops working properly, you need someone who actually understands these systems. Tankless units are different from traditional tanks — they have sophisticated electronics, flow sensors, heat exchangers, and gas valves that require specific expertise.
We specialize exclusively in tankless water heaters. That's all we do. This means we've seen every error code, every failure mode, and every quirk these systems can throw at you.
Why Specialization Matters: Many plumbers treat tankless repairs like guesswork — swapping parts until something works. We diagnose systematically using manufacturer protocols, saving you time and money.
Common Issues We Repair
Error Codes
- Code 11 — No ignition
- Code 12 — Flame failure
- Code 14 — Thermal fuse tripped
- Code 16 — Overheating
- Code 61 — Fan motor issues
Performance Problems
- Cold water sandwich
- Temperature fluctuations
- Low flow rate cutoff
- Mineral scale buildup
- Exhaust/venting problems
Brands We Service
We repair all major tankless brands including Rinnai, Navien, Noritz, Takagi, Rheem, and others. Factory-trained technicians with experience on each system.
Need Tankless Repair?
(803) 955-7578
Available 24/7 Over the Phone
Serving: Columbia · Lexington · Irmo · SC Midlands