The Pool heaters hydraulic action also saves energy by reducing the circulation time of your pool pump. The Hayward pool heater can raise the temperature of an 800 gallon pool by 30 degrees in less than an hour! This pool heater comes with a LED control panel, corrosion resistant heat exchangers and insulated fire tile combustion chambers, stainless steel burners. The Pool Heaters ignition system delivers dependable lighting and reliable operations at the touch of a button this means no standing pilot wasting your money. Also keep in mind the hayward pool heaters low height design ideal for low over head or compact areas