
Your Hot Water Upgrade Starts with Expert Advice
Replacing a water heater is an important choice that impacts comfort, safety, and energy use. At KCB Plumbing, we guide you from diagnosis to installation with honest, expert advice.
Whether you need a high-efficiency tank or a modern tankless system, our team helps you choose the best fit for your home. Serving homeowners across Orange County, CA, we deliver reliable, long-lasting water heater solutions.
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Why KCB Plumbing Is the Smart Investment
Certified expertise. Proven efficiency. Guaranteed protection.

Certified Tankless Specialists
Our technicians are factory certified by Rinnai and Noritz to install high-efficiency systems with precision for peak performance and maximum savings.
Maximized Energy Efficiency
Professional installation and proper sizing ensure your system runs at top efficiency, reducing utility costs and delivering reliable hot water every day.
Industry-Leading Warranties
Each installation includes KCB Plumbing’s labor warranty and full manufacturer coverage for complete peace of mind from day one.
The KCB Certified Installation Process
At KCB Plumbing, every water heater installation follows a proven four-step process to ensure precision, safety, and long-term reliability. From start to finish, your system is installed the right way by licensed professionals who take pride in their work.
01
Consultation & Sizing
We assess your home’s hot water needs, space, and budget to recommend the ideal system for efficiency and comfort.
02
Removal & Site Preparation
We remove your old water heater safely and prepare the area, completing any needed adjustments for proper fit and compatibility.
03
Code-Compliant Installation
Our certified technicians install your new system to manufacturer standards and Orange County plumbing codes for safety and performance.
04
Testing, Calibration & Warranty
We test your system for perfect operation, walk you through features, and include full coverage with the KCB Labor Warranty and manufacturer protection.
Frequently Asked Questions
Common questions our Orange County neighbors ask about water heater replacement & installation services
Most standard replacements take 3 to 5 hours from start to finish. Tankless conversions can take longer (4–8 hours), depending on site complexity.
A new traditional tank unit lasts 10–15 years. A tankless unit, with proper maintenance, can easily last 20+ years.
Yes, the removal, cleanup, and responsible disposal of your old water heater are always included in our installation quote.
The right size depends on household size, hot water usage, and peak demand. We evaluate your needs to recommend a properly sized unit that delivers consistent hot water without wasting energy.
Yes, many homes can be converted to tankless. Some upgrades may be required for gas lines, electrical capacity, or venting, which we’ll review before installation.
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