Your choices are...
	ASME Certified		The boiler is manufactured to ASME certifications.
	Commercial / HVAC		The boiler is designed for commercial or HVAC applications.
	Deaerator / Separator		Deaerators are vessels in which boiler feedwater is heated under reduced pressure in order to remove dissolved air.
	Economizer		Economizers are heat exchangers that transfer heat from the gases of combustion to the boiler feedwater.
	Low Emissions		Low emissions boilers are designed to reduce the release of sulfur oxide, nitrogen oxide and other emissions.
	Monitor / Controller		The boiler has a monitoring or controlling mechanism.
	Multiple Boiler System		Multiple installation boilers are used to obtain maximum performance and greater efficiency.
	Safety Valve		Safety valves are spring-loaded valves that open automatically when pressure attains the valve setting. They are used to prevent excessive pressure from building up in a boiler.
	Skidded / Packaged		The boiler is mounted on a skid or comes in a packaged configuration.
	Superheater		Superheaters are banks of tubes in the exhaust gas duct after the boiler. They are used to heat the steam above the saturation temperature.
	Water Treater / Conditioner		Water treaters or conditioners remove minerals from boiler water that could lead to scaling.
	Other		Other unlisted features.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
	Fuel Type / Heat Source
	Your choices are...
	Coal		The boiler is powered by pulverized coal.
	Electric		The boiler is powered by electricity.
	Gas (Natural / Propane)		The boiler is powered by gas. Natural gas and propane are common types.
	Oil		The boiler is powered by oil.
	Steam / Hydronic		The boiler is fueled by steam or hot water.
	Waste Heat / Indirect		Waste heat boilers are designed to burn waste or tail gasses to generate steam for process and/or power.
	Wood		The boiler is powered by wood.
	Other		Other unlisted fuel types.