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Laars-Stor Series

Laars-Stor Series

Laars-Stor Series

Product catalog summary
Overview: Laars Heating Systems offers the LAARS-STOR™ SERIES® of indirect water heaters, including single-wall, double-wall, and stainless steel models. These heaters are designed for efficiency, durability, and compatibility with existing boiler systems, heat pumps, or solar heating systems.
Specifications: The heaters feature a super-efficient heat exchanger with options for glass-lined carbon steel or stainless steel coils. The Laars-Stor2™ model includes a double-wall heat exchanger for enhanced efficiency and safety.
Performance: These heaters deliver high hot water output with minimal pressure drop, ensuring consistent water pressure. They efficiently store hot water, reducing boiler activation frequency and improving fuel economy.
Installation and Maintenance: Easy to install, these heaters require no additional fuel or venting materials and connect directly to existing boilers. Features include factory-installed sediment reduction systems, protective anode rods, and fully automatic controls for reliable operation.
Warranty and Standards: Laars-Stor™ models come with a limited lifetime warranty on the tank and heat exchanger and meet ASHRAE Standard 90.1b for insulation. They are certified for high pressure and temperature ratings, ensuring safety and reliability.
Model Variants: Various models are listed with specific capacities, dimensions, and performance ratings, catering to residential and commercial needs.
Key Features: Features include non-CFC foam insulation, brass drain valves, and T&P relief valves. Stainless steel models offer enhanced corrosion resistance and thermal conductivity.
Conclusion: LAARS-STOR™ SERIES® indirect water heaters provide a cost-effective and energy-efficient solution for hot water needs in residential and commercial settings, supported by robust warranties and compliance with industry standards.
Product Overview: The LS-RTV-119 is a commercial model with a tank and heat exchanger, offering a 5-year warranty on these components and a six-year limited warranty on parts.
Specifications: The heater meets ASHRAE Standard 90.1b for insulation and is certified at 300 PSI test pressure and 150 PSI working pressure. Potable water connections are 3/4" NPT, with the LS-RTV-119 model featuring 1 1/4" NPT connections.
Dimensions and Models: Models such as LS-RTV-40-L, LS-RTV-52-L, LS-RTV-75-L, and LS-RTV-119-L are detailed with specific dimensions, capacities, and shipping weights.
Performance: Performance metrics include gross boiler output (136,000 to 252,000 BTU/Hr), pressure drop, boiler flow, heat surface area, standby heat loss rating, continuous draw, first-hour delivery rating, minimum heat source flow rate, and minimum heat required rate.
Contact Information: Laars Heating Systems Co. provides contact details for customer service and applications engineering in the U.S. and Canada.
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Catalog excerpts

Laars-Stor Series-1

Heating Systems Company A subsidiary of BRADFORD WH/TE'Corporation

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Laars-Stor Series-2

Indirect Water Heaters Laars® Heating Systems offers high volume single-wall and double-wall indirect water heaters. All model types feature a super-efficient heat exchanger – a carbon steel, glass-lined coil for the Laars-Stor™ Single Wall and a stainless steel coil for the Laars-Stor™ SS. The Laars-Stor2™ features a new double-wall heat exchanger. The new design is super-efficient and is the perfect mate for your boiler, heat pump or solar heating system. Laars Heating Systems’ single-wall and double-wall indirect models are dependable and durable water heaters that supply an unprecedented...

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Laars-Stor Series-3

IMPORTANT REASONS TO CONSIDER A LAARS-STOR™ SERIES® INDIRECT WATER HEATER SAVE MONEY AND ENERGY Indirect water heaters use the home’s boiler, heat pump or solar heating system as the heat source. They are usually the least expensive way to provide hot water. Since hot water is stored in the water heaters insulated storage tank, the boiler, heat pump or solar heating system does not have to turn on and off as frequently, improving its fuel economy. HIGH PERFORMANCE Laars-Stor™ models feature an extremely efficient heat exchanger made of a glass-lined carbon steel tubing giving an exceptional first...

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Laars-Stor Series-4

LAARS-STOR™ RESIDENTIAL ENERGY SAVER SINGLE-WALL INDIRECT WATER HEATER The ingenious Laars-Stor™ single wall was engineered to provide the lowest pressure drop, the highest hot water output and the highest amount of effective actual heat transfer area of any indirect fired water heater in the industry. • Heat Exchanger—Single wall 11⁄2" glass coated steel. • Factory Installed Sediment Reduction System—Cold water inlet sediment reducing device. Helps prevent sediment build-up in tank. Increases first hour delivery of hot water while minimizing temperature build-up at top of tank. • Three Protective...

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Laars-Stor Series-5

LAARS-STOR™ COMMERCIAL ENERGY SAVER SINGLE-WALL INDIRECT WATER HEATER Laars-Stor™ single wall commercial models incorporate a super-efficient heat exchanger. Made of 1.5" diameter carbon steel tubing and coated with a glass-lining, it has a total heat surface area of 27.2 square feet. The result is an exceptional first hour delivery and vast hot water reserves. • Heat Exchanger—Single wall 11⁄2" glass coated steel. • Supply and Return Connections—The 1" NPT female connections are located on the front for both the boiler supply and boiler return. • Factory Installed Sediment Reduction System—Cold...

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Laars-Stor Series-6

LAARS-STOR2™ RESIDENTIAL ENERGY SAVER DOUBLE-WALL INDIRECT WATER HEATER The Laars-Stor2™ features a patented double-wall carbon steel heat exchanger coil coated with a glass-lining for corrosion resistance and long life. The Laars-Stor2™ supplies a first hour rating of 120 to 158 gallons per hour. • Heat Exchanger—Double wall 11⁄2" O.D. glass coated steel coil. Because the double wall coil has a positive leak path, the hydronic fluid will stay separate from the potable water. • Low Heat Exchanger Head Loss—Up to 10 GPM flow, with less than 5 ft. of head loss. Greatly reduces the required pump...

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Laars-Stor Series-7

LAARS-STOR™ SS ENERGY SAVER STAINLESS STEEL INDIRECT WATER HEATER The Laars-Stor™ SS utilizes a superior grade of stainless steel for the tank and the heat transfer coil. This construction is lightweight and also resists pitting while minimizing inter-granular and stress corrosion. The Laars-Stor™ SS models provide superior thermal conductivity for higher efficiency. • Warranty—Residential models have a limited lifetime warranty on the tank and heat exchanger. The LSRTV-119 is a commercial model and is furnished with a 5 year warranty on the tank and heat exchanger. For more details please refer...

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Laars-Stor Series-8

View our entire product line at www.Laars.com Heating Systems Company 800.900.9276 • Fax 800.559.1583 (Customer Service, Service Advisors) 20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355 (Applications Engineering) 1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130 ) Laars" Heating Systems Co. 1502 Document 11027C

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.