Low intensity infrared heater

means an infrared ’gas space heater that has a radiating surface that operates at less than 1,350°F.

“Low pressure steam or hot water boiler” that is a federally regulated consumer product means

an electric, gas or oil burning furnace designed to supply low pressure steam or hot water for space heating application. A low pressure steam boiler operates at or below 15 pounds psig steam pressure; a hot water boiler operates at or below 160 psig water pressure and 250°F.

water temperature.