Tankless Water Heater Repair Experts
Specialized tankless water heater repair services for all major brands. Our certified technicians quickly diagnose and fix any issue to restore your endless hot water supply.
Our Services
Professional plumbing solutions delivered by licensed experts
Tankless System Diagnosis
Advanced diagnostics to identify and resolve tankless water heater issues quickly.
- Error code diagnosis
- Flow sensor testing
- Ignition system checks
- Computer board diagnostics
Component Repair & Replacement
Expert repair and replacement of tankless water heater components.
- Heat exchanger cleaning
- Gas valve replacement
- Flow sensor repair
- Control board replacement
Descaling & Maintenance
Professional descaling service to maintain efficiency and extend system life.
- Complete system descaling
- Filter cleaning and replacement
- Venting inspection
- Performance optimization
Why Choose Double M Plumbing
37+ years of trusted service in the Dallas-Fort Worth area
Fast Response
Same-day service available for most tankless water heater repairs in the DFW area.
Brand Specialists
Certified to repair all major brands: Rinnai, Navien, Noritz, Rheem, and more.
Transparent Pricing
Clear, upfront pricing with no hidden fees or surprise charges.
Licensed Experts
Fully licensed and insured technicians with specialized tankless training.
Warranty Protected
All repairs backed by our workmanship warranty and satisfaction guarantee.
Always Available
Fast service for urgent tankless water heater issues.
37+ Years of Trusted Plumbing in DFW
Double M Plumbing is a local, family-owned company serving Dallas-Fort Worth homeowners for over 37 years.
Our licensed and insured plumbers have completed 15,000+ jobs — with same-day service, flat-rate pricing, and no hidden fees.
Frequently Asked Questions
Get answers to common questions about our services
Serving Select Dallas Neighborhoods
Trusted plumbing service in Dallas's most established communities
Ready to Get Started?
Contact us today for fast, reliable plumbing service with same-day availability.