A tankless water heater with no hot water or error codes
Inconsistent water temperature
Planning to switch to a tankless unit
How we handle it
What our plumber checks
01The unit, error codes and settings
02Gas, venting, water and electrical connections
03Maintenance needs such as descaling
04Whether repair or replacement is the better option
We diagnose first. You decide. We show you what we found and explain your options before any major work.
KDNavienAUTHORIZED PROVIDER
Navien Tankless Water Heater Experts
Rapid Rooter Drain Master is a trusted Navien provider, installing and servicing high-efficiency tankless water heaters for Fresno area homes and businesses.
Navien Tankless Water Heater Installation
Navien Repair & Maintenance
Energy-Efficient Solutions
Expert Guidance & Support
Why Rapid Rooter
Honest answers and clear explanations
40+ years of experiencePlumbing experience you can rely on.
Family owned & localServing Fresno, Clovis, Sanger and Madera Ranchos.
Licensed & insuredCSLB #947697.
Emergency serviceMonday–Saturday, 24 hours.
Residential & commercialPlumbing for homes and businesses.
Se habla españolSpanish-speaking help is available.
What customers say
★★★★★
“Awesome quick service!! Needed my water heater igniter changed at 8pm on Saturday and they showed up and finished the job quickly!! 10/10 recommend.”
How do I know if I need a new water heater or just a repair?
Not every water-heater problem requires replacement. We check the age, condition and failure point, then explain whether repair or replacement makes better sense.
Why is my water heater leaking?
Leaks can come from valves, fittings, connections or the tank itself. We locate the source and explain the repair options before work begins.
Will you tell me what’s wrong before doing major work?
Yes. Our process is diagnosis first: we show you what we found, explain the options and let you decide how to move forward.