Raypak PR206AMPC57 - 206,000 BTU, Milli-Volt Ignition, Propane Heater. Enjoy your pool......Extend your swim season. Your pool and spa is a long-term investment that you, your family and friends will enjoy year after year. Now, there's an easier way to enjoy that investment more often, more reliably and more efficiently throughout the year...the Raypak Millivolt pool and spa heater. Think about being able to use your pool or spa at the perfect comfort level even when Fall arrives...or when the first chill of Winter is felt in the wind...or in the Spring or Summer when evenings can turn chilly in a minute! Helping you get more enjoyment from your pool or spa is the smart idea behind the Raypak Millivolt. Features: Easy to Use Mechanical Thermostat, Built-in Wind Resistance, Contemporary "Polytuff" Powder Coated Cabinet, Non-Corrosive Water Path with Polymer Headers, All Copper Fin Heat Exchanger, 2" CPVC Water Connections, Hi-Flow Rate Design, Fuel Efficiency that exceeds all Federal and State standards.