399K BTU NAT CUPRO NICKEL HEATER IG IN / OUT W/ POLYMER HEADERS W/ CUPRO NICKEL TUBES W/ DIGITAL LCD W/ OUTDOOR STACKLESS TOP W/ 2IN SKT WATER W/ UNITHERM GOVERNOR TO PREVENT CONDENSATION FOR 0 - 2000' ELEVATION RAYPAK 014941 Manufacturer: RAYPAK INC MPN: 14941