Installing a hot water heater can be daunting for many homeowners, especially when deciding whether to call a plumber or an electrician. The type of hot water heater you have determines who is best suited for the job.
If you have a traditional tank-style electric hot water heater, a plumber is the right person to call. Drain Defenders are licensed plumbers with a restricted electrical license, enabling us to disconnect and reconnect electric hot water heaters, including traditional tank systems, solar hot water heaters, and heat pump systems.
Understanding the Installation Process
If you need to install a new hot water heater, it is important to understand the installation process. Here are the steps involved:
- Disconnect and remove the old water heater. This includes shutting off the water supply, draining the tank, and disconnecting any electrical connections. It is recommended that you hire a licensed plumber to do this.
- Install the new water heater. This includes connecting the water supply lines, installing the temperature and pressure relief valve, and connecting any necessary electricals. Your plumber will have the necessary knowledge and expertise to complete this step.
- Fill the unit with water and check for leaks. Your plumber will ensure the water heater is properly secured and functioning.
Hiring a licensed plumber to install your hot water heater is important. Plumbers are trained to handle various plumbing tasks and understand the importance of proper venting and drainage to prevent water damage or other issues. They can deliver hot water efficiently and safely throughout your home.
The Role of a Plumber in Hot Water Heater Installation

Plumbers play a crucial role when installing a traditional tank-style hot water heater. They have extensive knowledge of water supply and drainage systems, making them the ideal professionals for this type of installation.
To begin, the plumber will assess your home’s plumbing system to ensure it can support the new water heater. They will determine the appropriate size and capacity of the new unit based on your household’s hot water needs. Once this is done, the plumber will shut off the water supply, drain the old tank, and disconnect any electrical connections.
The next step is to install the new water heater. This includes connecting the water supply lines, installing the temperature and pressure relief valve, and ensuring proper venting and drainage. Throughout the installation process, plumbers prioritise safety and efficiency. They ensure all connections are secure and compliant with industry standards, minimising the risk of leaks or other issues.
After the installation, the plumber will check for leaks and make necessary adjustments to ensure the hot water heater functions optimally. Plumbers also have the knowledge and expertise to troubleshoot and address any problems that may arise during the installation.
Hiring a Plumber for Hot Water Heater Installation

When installing a hot water heater, hiring a professional plumber is the best choice for many homeowners. Here are some reasons why:
- Expertise: Plumbers have the knowledge and experience handling water heater installation complexities. They understand the specific requirements of different types of hot water systems and can ensure that everything is done correctly for optimal performance and safety.
- Safety: Hot water system installation involves working with water supply lines, drainage systems, and electrical connections. Hiring a professional minimizes the risk of leaks, electrical hazards, and other safety issues from improper installation.
- Efficiency: Professionals can complete the installation process quickly and effectively, saving time and hassle. They have the necessary tools and equipment to handle the job efficiently.
- Warranty: Many hot water systems come with warranties that require professional installation to be valid. Hiring a professional ensures your warranty is honoured, protecting you from potential repair or replacement costs.
Hiring a professional plumber for hot water heater installation provides peace of mind that the job is done correctly, safely, and efficiently.
Frequently Asked Questions

What is the average cost of installing a hot water heater?
How long does it take to install a hot water heater?
How many years does an electric hot water heater last?
Can I install a hot water heater myself?
What are the signs that my hot water heater needs to be replaced?
Does a Plumber or Electrician Install a Hot Water Heater?
Now that you know plumbers are responsible for installing hot water heaters, don’t hesitate to contact us at Drain Defenders.
We offer a range of hot water systems to suit small and large families with varying budgets and emergency hot water repairs when possible.