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Hot Water Boilers Manufacturers and Suppliers

IQS Directory is a top industrial directory listing of leading industrial hot water boiler manufacturers and suppliers. Access our comprehensive index to review and source hot water boiler manufacturers with preview ads and detailed product descriptions. These hot water boiler companies can design, engineer and manufacture hot water boilers to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these hot water boilers manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a manufacturer of hot water boiler systems, hot water tanks, circulating water boilers.

  • Schenectady, NY 518-344-7490

    In business since 1973, we at Unilux Advanced Manufacturing believe our success grows from our ability to listen. We respond to our customers needs with product that is of the highest quality, durability and efficiency. For hot water boilers, turn to a company who will do all it takes to get your job done quickly and done right. Call today for more information.

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  • Pulaski, NY 315-298-5121

    As the inventor of the vertical tubeless boiler, Fulton has a reputation for success dating back to 1949. We're a global manufacturer of steam, hot water and hydronic boilers; thermal fluid heaters; custom engineered systems; and a full range of ancillary equipment. We continue to make advancements in the boiler market and are committed to improving life through heat transfer solutions.

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  • Fremont, CA 800-227-1966

    Nationwide Boiler is a leading supplier of new and reconditioned boilers for industrial facilities worldwide. We’re a manufacturer’s representative and stocking distributor for B&W package watertube boilers and Superior package firetube boilers, and we have fully reconditioned boilers in a variety of types and sizes. With sales, service and equipment depots throughout the U.S., we strive to provide our customers with reliable equipment and superior service. Call today to learn more!

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  • Brampton, ON 905-454-1331

    At ProTherm, we provide complete turnkey installation, start-up, and testing of our water heating systems whether they are conventional or high-efficiency. We have experience providing water heating systems for a variety of industries. We believe that we only succeed when our customers succeed. That's why you won't find customer service like ours anywhere else.

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  • Danville, KY 859-535-9908

    Founded in 1931, Sellers pioneered gas-fired equipment such as boilers, burners, water heating equipment and bakery equipment. We will continue to be an industry leader in boiler and burner development. Whether it is in the area of improved efficiency or cleaner emissions, we will meet these challenges with innovative technology without sacrificing the simplicity, dependability and longevity.

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  • Ferrysburg, MI 616-842-5050

    Johnston Boiler Co has been manufacturing, designing, engineering and servicing gas, oil, coal, wood, solid waste, biomass & hybrid fuel-fired steam & hot water boilers since our inception. With installations across all industries worldwide, We are recognized for the highest code standards, innovative engineering and design, Energy Star rating, fully Integrated controls, and renewable, sustainable solutions for green building design and operational efficiency. Call us today for more information.

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businessIndustry Information

Hot Water Boilers

Hot water boilers are tanks or vessels that transfer thermal energy from a heat source to water that is then circulated to provide residential, commercial and industrial heating. Hot water boilers are an important part in hydronics, the use of water as a heat-transfer medium in heating and cooling systems, because they heat the water that circulates through a series of pipes and into radiators, baseboards and other heat exchangers.

Hot water boilers are usually made from stainless steel, aluminum, cast iron or steel and are built to withstand high temperatures and pressure. A furnace along with heat exchangers and tubes is enclosed in a housing that provides a fireproof, well-ventilated, stable-air environment. Possible fuels include coal, wood or natural gas, though hot water boilers that run on electricity are also widely available. These appliances may be also be combi boilers, which do not have a hot water storage tank but instead draw in water as it is needed. Depending on the application, commercial systems may add various substances to the water including chemicals to inhibit corrosion, prevent freezing, increase the boiling point of the water, improve leak detection and reduce bacteria and mold growth. They are used for commercial and industrial heating and circulation, tank heating, swimming pools, floor and baseboard residential heating and water source heat pumps.

There are two main ways boilers heat water: fire-tube or water-tube. Fire-tube boilers direct the heat produced from burning fuel through heat exchanging tubes that are immersed in water. Heat moves from high to low temperatures so the water around the tubes becomes hot. Water-tube boilers are different in that there is water inside the tubes that circulates as the tubes are heated from the outside. The hot water is then moved by one of three ways. Gravity flow heating systems are the oldest, simplest and least efficient technique. Water is circulated due to the thermal differences between hot and cold water; water expands as it is heated so it travels through the pipes and displaces the cooler water. A pumped water system uses the same principles as gravity flow but is aided by use of a pump that circulates the water faster to produce a more controllable room temperature. Baseboard heating also relies on radiant heat, the heat that is released from hot pipes in the system. The main difference is that radiators are replaced with enclosed metal fins installed in the baseboards to distribute warm air at floor level. As the hot air rises it displaces cooler air and warms the room.

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