Maintenance is extremely important when it comes to pool heaters and is the main reason for malfunctions. Bugs can get in and make a mess that cuases damages to the pool heater. Get a maintenance checkup annually. It's your best option for damage prevention.
Call Blue Ridge Heating & Cooling for a skilled technician to do the job. The cost is minimal and the service will keep your heater working efficiently for many years. Keep your heater clean and as dry as possible. Investing in a winter pool heater cover is also a good idea to keep out the elements.