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Tankless Water Heater Installation & Repair
Infinite Hot Water. Intelligent Solutions. A Decade of Excellence.
Expert Tankless Water Heater Repair & Replacement in San Marcos
Tankless water heaters are the pinnacle of modern home comfort, offering an endless supply of hot water while significantly reducing your monthly energy footprint. However, because these “on-demand” systems rely on complex computer boards, high-output burners, and sensitive flow sensors, they require specialized expertise that standard plumbing companies often lack.
At Pure Plumbing Company, we have spent over 10 years mastering the intricacies of tankless technology in San Marcos and throughout North San Diego County. Whether your unit is flashing an error code, underperforming, or ready for a high-efficiency upgrade, our team provides the precision care your system deserves. By utilizing the best top-of-the-line equipment in the industry, we ensure your tankless unit operates at peak performance for its entire 15+ year lifespan.
Why Choose Pure Plumbing Company for Your Tankless Water Heater?
While a traditional tank is relatively simple, a tankless unit is a sophisticated piece of machinery. For over a decade, Pure Plumbing Company has been the premier choice for homeowners in San Marcos, Oceanside, Carlsbad, and Vista who want a technician who actually understands the science behind the “on-demand” heat exchange.
Our Commitment to Excellence:
- 10+ Years of Specialization: We were early adopters of tankless technology in North County, giving us a decade of hands-on experience with every major brand.
- Top-of-the-Line Diagnostic Tools: We use digital manometers and manufacturer-specific diagnostic software to pinpoint sensor failures or gas pressure issues.
- Authorized Service for Leading Brands: We are experts in repairing and installing Navien, Noritz, Rinnai and Rheem systems.
- Hard Water Solutions: We provide specialized descaling treatments designed specifically for the high mineral content found in North San Diego County water.
CURRENT PROMOTIONS
Upgrade Your Water Heater & Save!
$50 OFF
New Water Heater Installation
One Flush & Anode Rod Inspection
$25 OFF
Water Heater Maintenance
5% OFF
Military & Seniors. $50 limit.
Our Specialized Tankless Services
Precision Tankless Repair & Error Code Diagnostics
If your tankless unit stops working, it will usually display a digital error code. These codes are the unit’s way of identifying a specific internal failure. Our technicians use top-of-the-line equipment to clear these codes and fix the underlying issue:
- Fan & Motor Issues: We repair or replace the high-speed blowers that are essential for safe combustion.
- Ignition Failure (Codes 11/12/E003): We diagnose issues with gas solenoid valves, dirty flame rods, or compromised igniters.
- Exhaust/Venting Errors (Code 10/E030): We ensure your venting is clear of obstructions and meeting strict California safety codes.
Professional Tankless Replacement & Upgrades
If your current unit is over 15 years old or has suffered a major heat exchanger failure, a replacement is often the most cost-effective path forward.
- Retrofitting & Conversions: We specialize in converting homes from old-fashioned tanks to modern tankless systems, including the necessary upgrades to gas lines and venting.
- System Sizing: We perform detailed “flow rate” calculations based on your household’s peak demand (showers, laundry, and dishwasher running simultaneously) to ensure you never experience a “cold water sandwich.”
Annual Descaling & Maintenance
In San Marcos, an annual “flush” is not optional—it is vital. Hard water minerals accumulate inside your heat exchanger, acting as an insulator that forces the unit to run hotter and work harder. Our top-of-the-line descaling pumps and professional-grade solutions dissolve this “calcium stone,” restoring your unit’s efficiency and protecting your warranty.
Signs Your Tankless Unit Needs Expert Attention
Not sure if you need help?
Because tankless units are “smart,” they often provide warnings before they fully shut down. Call Pure Plumbing Company if you notice:
- The “Cold Water Sandwich”: If your water starts hot, goes cold for a minute, and then gets hot again, your flow sensor or bypass valve likely needs repair.
- Sudden System Shutdowns: If the unit turns off in the middle of a shower, it is likely overheating due to scale buildup or a venting restriction.
- Noisy Operation: High-pitched whistling or grinding sounds often indicate a failing combustion fan or a heat exchanger that is “kettling” due to mineral deposits.
- Flashing Error Codes: Never ignore a blinking light or a number on your display. These are designed to prevent permanent damage to the expensive computer board.
The Hard Water Challenge in San Marcos
The water in North San Diego County is notoriously high in dissolved solids. In a traditional tank, these minerals settle at the bottom. In a tankless unit, they “bake” onto the heat exchanger. For over 10 years, we have seen units fail prematurely simply because they weren’t maintained for the local water conditions. Our replacement units often include Integrated Scale Prevention or water conditioning systems to ensure your investment lasts as long as possible.
Elevate Your Home Comfort with Pure Plumbing Company
Experience the luxury of never running out of hot water again. For over 10 years, Pure Plumbing Company has been the trusted authority for tankless water heater repair and replacement in San Marcos and across North San Diego County. We combine the best top-of-the-line equipment with specialized training to keep your high-tech system running perfectly.
Contact Pure Plumbing Company today to schedule a tankless diagnostic or a professional replacement consultation. Enjoy the peace of mind that comes with expert service.
Tankless Water Heater Faq’s
With proper maintenance—specifically annual descaling—a high-quality tankless unit can last 20+
years. This is almost double the lifespan of a traditional tank-style heater.
The initial installation is higher because we often need to upgrade the gas line size and install a new, dedicated venting system through the wall or roof. However, the long-term energy savings and the increase in your home’s value often make it a superior investment.
Absolutely, provided it is sized correctly. During our consultation, we look at the “GPM” (Gallons Per Minute) requirements of your fixtures to ensure the unit we install can keep up with your family’s busiest mornings.
WHAT DO OUR CUSTOMERS SAY ABOUT PURE PLUMBING COMPANY?
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