How to Install a Swimming Pool Heater

There are two primary types of swimming pool heaters: gas heaters and electric heaters. Gas heaters are more efficient and offer faster heating times, while electric heaters are less expensive to install and operate. Determine which type of heater is best suited for your pool and budget.

Step 2: Check Zoning and Permitting Requirements

Some localities require permits for pool heater installations. Contact your local building or zoning department to determine the requirements in your area.

Step 3: Choose the Heater Size

The appropriate size of the heater depends on the size of your pool and the desired heating speed. Refer to the heater manufacturer's recommendations for sizing guidelines.

Step 4: Select a Location

The heater should be installed in a well-ventilated area near the pool. Ensure the location provides easy access for maintenance and is protected from the elements.

Step 5: Connect the Pool Lines

Connect the inlet and outlet ports of the heater to the pool's plumbing lines using rigid PVC pipes and couplings. Ensure all connections are tight and free from leaks.

Step 6: Connect the Gas or Electric Supply

If using a gas heater, connect the gas supply line to the heater's inlet. Ensure the connection is made by a qualified plumber and complies with local regulations. For electric heaters, connect the heater to a dedicated electrical circuit according to the manufacturer's instructions.

Step 7: Install the Controls

Install the necessary controls, such as the thermostat and timer, according to the manufacturer's instructions. Ensure proper wiring connections and that the controls are located in a convenient, weather-protected area.

Step 8: Test the System

Once all connections are made and the heater is installed, turn on the power and set the thermostat to the desired temperature. Adjust the controls as necessary to achieve the desired heating levels.

Step 9: Maintain the Heater

Regular maintenance is crucial to ensure the longevity and efficiency of the heater. Follow the manufacturer's recommended maintenance schedule, including periodically inspecting, cleaning, and replacing parts as needed.