HYA1005 Features: * Millivolt heater * Available in Natural Gas or Propane fuel type * Compact, quiet, and eco-friendly design * Heats up fast so no long waits before enjoying your pool or spa * Best-in-class energy efficiency * Manual gas shut-off when service is required * Eco-friendly MasterTemp is certified for low Nox emission and outperforms industry standards * Rotating digital display allows for easy viewing * Tough, rustproof exterior handles the heat and weathers the elements Specifications: * Available in 150,000 or 200,000 BTUs Warranty: * 1 year limited manufacturer warranty