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What to Expect During Water Heater Installation

Home | Blog | Published on June 12th, 2025

Installing a new water heater is a valuable home upgrade that ensures reliable hot water for everything from morning showers to evening dishes. Whether you’re replacing an outdated unit or installing one for the first time, understanding the installation process can make the experience smoother and more efficient.

At Swift Plumbing & Heating, we specialize in delivering professional, stress-free water heater installations for Bainbridge Island homeowners. With over 35 years of trusted service across the Kitsap Peninsula, our licensed experts ensure every job is done safely, efficiently, and up to code.

Plumber tests electrical connections on newly installed tankless water heater in Bainbridge Island home.

Step-by-Step Water Heater Installation Process

In-Home Evaluation

Every project begins with a comprehensive assessment of your plumbing system and household hot water needs. We’ll guide you in selecting the ideal water heater be it a traditional tank model or a high-efficiency tankless unit.

Removal of Existing Unit

If replacing an old water heater, we’ll handle the safe disconnection and removal of the current unit. We also manage proper disposal in accordance with local environmental guidelines.

Site Preparation

Our team prepares the installation site to meet all safety and plumbing codes. This includes confirming sufficient ventilation, drainage, and access particularly important for tankless systems or first-time installations.

Professional Installation

We’ll install your new unit with precision, connecting all necessary water, gas, or electrical lines securely. Our work always complies with the latest plumbing and building standards to ensure optimal safety and performance.

System Testing

After installation, we conduct a full system check to confirm proper operation, detect any leaks, and calibrate the temperature settings for efficiency and comfort.

Walkthrough and User Guidance

Before we finish, we’ll provide a clear explanation of how to operate your new system, share maintenance tips, and answer any questions you may have.

Preparing for Installation Day

To ensure a smooth process, we recommend the following steps:

  • Clear the area around your current water heater.
  • Keep children and pets away from the workspace.
  • Plan for a temporary interruption in hot water service.
  • Prepare any questions about system maintenance, warranties, or upgrades.

Water heater installation involves gas, water, and electrical systems. It’s essential to have a licensed professional perform the work to ensure everything is installed safely and in full compliance with local codes.

Why Choose Professional Installation?

Choosing professional installation offers key benefits:

Professional installation ensures consistent hot water from day one, eliminates safety risks such as improper gas or electrical connections, and promotes maximum energy efficiency. Additionally, most manufacturers require certified installation to maintain warranty coverage. At Swift Plumbing & Heating, we take pride in delivering every installation with technical precision and a customer-first approach.

FAQs About Water Heater Installation

How long does installation take?
Most installations are completed within 2 to 4 hours, depending on unit type and site conditions.

Can I upgrade to a tankless water heater?
Yes, although it may require plumbing or electrical modifications. Our team will evaluate your home to determine the best solution.

Is a permit required for installation?
In most cases, yes. We take care of permitting and ensure your installation meets all applicable codes.

What type of water heater is best for my home?
We’ll recommend options based on your household size, hot water usage, and energy efficiency goals.

Did You Know?

Tankless water heaters can last up to 20 years and provide an endless supply of hot water making them a smart, space-saving upgrade for many households. At Swift Plumbing & Heating, we make water heater installation seamless and reliable backed by the expertise of a trusted, second-generation family-owned business committed to your comfort and satisfaction.

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