James Rutherford - Plumbing & Commercial Kitchen Equipment Specialist

James Rutherford is a licensed Master Plumber (Texas) with 22 years in the trade. He specializes in tankless water heater installation and diagnostics, commercial kitchen equipment service, and gas appliance troubleshooting.

James has hands-on experience with Navien, Rinnai, Noritz, Bradford White, and Rheem systems — from residential tankless heaters to high-capacity commercial water heating arrays. His commercial kitchen work covers gas ranges, ovens, steamers, and dishwashers in restaurant and institutional settings.

His guides reflect real-world diagnostic sequences used by licensed technicians, not just error code lookups from service manuals. He explains what each fault code means in practical terms — which sensor failed, what condition triggered the lockout, and how to confirm the fix before closing up the unit.

Certifications

• Master Plumber — Texas State Board of Plumbing Examiners
• Navien / Rinnai / Noritz factory-trained
• Gas appliance certification (CSST, gas piping, combustion analysis)

Equipment Experience

• Tankless water heaters (Navien, Rinnai, Noritz, Rheem)
• Storage tank water heaters (Bradford White, AO Smith, Rheem)
• Commercial kitchen equipment (gas ranges, ovens, steamers, dishwashers)
• Boilers and hydronic heating systems
• Gas piping and combustion safety systems