Do I Call a Plumber or an Electrician to Install a Hot Water System?

Installing a hot water system is a significant upgrade for your home, but it often raises an important question: should you call a plumber or an electrician?

The answer isn’t always straightforward, as it depends on the type of system you’re installing and the work required to get it running. Plumbers and electricians both play vital roles in setting up hot water systems, but their responsibilities differ.

Understanding who does what can save you time, money, and a lot of stress. In this blog, we’ll explore the specific tasks each professional handles, what factors determine who you should call, and when you might need both.

By the end, you’ll feel confident about choosing the right expert for a safe and efficient installation.

Understanding the Different Roles

When it comes to installing a hot water system, both plumbers and electricians play essential roles, but their tasks are very different.

Qualified plumbers are responsible for anything related to water and gas connections. They’ll install and connect water pipes, ensure proper flow and handle gas lines for systems like gas or hybrid water heaters. They also check for leaks and ensure the plumbing is up to standard.

Electricians, on the other hand, handle the electrical side of things. For electric water heaters, they’ll connect the system to your home’s power supply, install circuit breakers and ensure everything complies with safety standards. If you’re installing a solar system with an electric booster, they’ll manage that connection too.

In some cases, like hybrid or solar systems, you might need both professionals to collaborate. Knowing what each expert does can help you make the right call for a hassle-free installation.

Factors That Determine Who You Need

Deciding whether to call a plumber, an electrician or both for your hot water system installation depends on several key factors. Here’s what to consider:

  • Type of system: The kind of hot water system you’re installing plays a significant role. Gas systems typically require a plumber, while electric or hybrid systems may need an electrician.
  • Existing connections: If your home already has the necessary plumbing or electrical connections, you may only need one professional to complete the job.
  • System complexity: Advanced systems like solar or hybrid units often require both a plumber and an electrician to handle different aspects of the installation.
  • Local regulations: Compliance with local building codes might require licensed professionals for both plumbing and electrical work.
  • Safety requirements: If upgrades to your electrical system or plumbing infrastructure are needed, both trades may need to collaborate.

Evaluating these factors ensures a smooth and safe installation process.

A man phones a plumber after noticing a water leak

When to Call a Plumber

Plumbers play a crucial role in the installation and maintenance of hot water systems, especially when it comes to the water and gas components.

Here are instances where you’ll need to call a plumber:

  1. Connecting water lines: Plumbers ensure your hot water system is properly connected to your home’s water supply for efficient flow.
  2. Installing or replacing pipes: They handle any required pipework, including upgrades or replacements for older systems.
  3. Managing gas connections: For gas-powered hot water systems, a licensed plumber will safely connect the system to the gas line.
  4. Checking for leaks: Plumbers inspect for water or gas leaks and ensure all seals and connections are secure.
  5. Maintaining water pressure: They adjust and optimise water pressure to prevent damage to your system and plumbing.

If your hot water system only involves water and/or gas, a plumber is the expert to call.

When to Call an Electrician

Electricians are essential for handling the electrical components of hot water systems. If your installation involves power connections or upgrades, here’s when you should call an electrician:

  1. Installing electric hot water systems: They’ll connect the system to your home’s power supply and ensure it operates safely.
  2. Wiring and circuit breakers: Electricians handle the wiring, install new circuit breakers, or upgrade existing ones to meet the system’s power requirements.
  3. Solar systems with electric boosters: For solar hot water systems, an electrician will wire the electric booster to ensure it functions efficiently.
  4. Compliance with safety standards: They ensure all electrical work adheres to safety codes and regulations, reducing the risk of faults or hazards.
  5. Fixing electrical issues: If your system isn’t heating water due to an electrical fault, an electrician can diagnose and repair the problem.

For any power-related tasks, trust a licensed electrician for a safe and effective installation.

Instances Where You Might Need Both

Some hot water system installations require the expertise of both a plumber and an electrician. This is often the case with complex systems like solar or hybrid hot water units.

For example, a solar hot water system with an electric booster will need a plumber to install water and gas lines and connect the system to your plumbing. Meanwhile, an electrician will handle wiring the electric booster to your home’s power supply and ensuring it meets safety standards.

Similarly, replacing an outdated system may call for updates to both the plumbing and electrical infrastructure. A plumber will ensure water flows efficiently, while an electrician may upgrade wiring or install safety switches.

When in doubt, consult a professional to assess your home’s setup and system requirements. Choosing both experts when needed ensures your hot water system is installed safely and efficiently, avoiding costly issues down the road.

Why Hiring Licensed Professionals is Crucial

Installing a hot water system isn’t a DIY project − it’s a task that requires licensed professionals to ensure everything is done safely and correctly.

Whether you need a plumber, an electrician or both, hiring a qualified expert is essential for compliance with local regulations and manufacturer warranties.

Plumbers are trained to handle water and gas lines safely, ensuring there are no leaks or pressure issues. Electricians, on the other hand, ensure the wiring and power connections meet strict safety standards, reducing the risk of electrical faults or fire hazards. Licensed professionals also have the expertise to identify potential problems before they become costly repairs.

Attempting to cut corners with unlicensed workers or doing it yourself can lead to safety risks, voided warranties, and even legal issues. By hiring certified experts, you’re investing in peace of mind, knowing your system is installed correctly and will perform reliably.

Hot water flows into a bathroom sink

Tips for Choosing the Right Technician

Selecting the right professional for your hot water system installation is essential for a smooth and safe process. Here are some tips to help you make the best choice:

  • Identify the work required: Determine if your system needs plumbing, electrical work, or both. This will help you decide whether to hire a plumber, an electrician or both.
  • Check licences and certifications: Ensure the professional is licensed and certified to handle the specific type of installation you need.
  • Look for experience: Choose someone with proven experience in installing the type of hot water system you’re installing.
  • Read reviews and ask for references: Check online reviews or ask for recommendations from friends and family to find trusted experts.
  • Consider a dual-service contractor: Some companies offer both plumbing and electrical services, simplifying the process.

By following these tips, you can confidently hire the right expert for a safe and efficient installation.

Always Call a Professional

Deciding whether to call a plumber or an electrician to install your hot water system depends on the type of system and the work required. Plumbers handle water and gas connections, ensuring smooth water flow and secure fittings.

Electricians focus on the power side, wiring the system and ensuring it meets safety standards. In some cases, like with solar or hybrid systems, you may need both professionals to collaborate for a successful installation.

Hiring licensed experts is critical to ensure the job is done safely and complies with local regulations. Cutting corners with DIY or unqualified workers can lead to costly mistakes or safety hazards.

By assessing your needs and consulting the right professionals, you can enjoy peace of mind and reliable hot water for years to come. Always choose expertise for a hassle-free experience.

Please note: This information is provided for advice purposes only. Regulations differ from state to state, so please consult your local authorities or an industry professional before proceeding with any work. See our Terms & Conditions here.


Published: 28 Jan, 2025