Blaze King PEGASUS 9200 is a gas appliance that can be installed as a freestanding model or as an insert. It offers steady state efficiency of 80.50% for natural gas and 83.75% for LP gas. This means that it is very efficient at converting the fuel it uses into heat. The appliance has a maximum input rating of 40,000 BTU/hr for natural gas and 38,500 BTU/hr for LP gas, and a maximum output of 32,200 BTU/hr for natural gas and 30,800 BTU/hr for LP gas.