Suburban Mfg Iw60 w/ H On Demand 60K Btu. Features an output of 60000 BTU/hr. Showers baths dishes and even the laundry can be done with an infinite supply of hot water whenever and wherever simultaneously from every fixture. Features 2-strage combustion system and built-in freeze protection. Features of Suburban Mfg Iw60 with H On Demand 60K Btu Output: 60000 BTU/hr 2-Stage combustion system Built-in freeze protection Direct spark ignition Package Contents: Suburban Mfg Iw60 with H On Demand 60K Btu Suburban Mfg 5286A: Iw60 w/ H On Demand 60K Btu