Top mount removable heat exchanger with double o-ring design for easy installation and service and eliminates the need for welds between the piping and the tank.

Hydrastone-lining protects effectively against corrosion.

Alliance SL™

27, 35, 50 & 70

Two to three inches of polyurethane foam insulation combined with the stone lining resulting in extremely low standby heat loss.

Larger coil diameter and spacing designed and positioned for maximum heating output and minimizes build-up.

Unique cold water diffuser to increase output by 20 percent.

Heavy gauge steel helps increase integrity of the tanks

Note: No anode rod required

Proprietary TPI control accurately controls the output water temperature and helps eliminate tank “overload.”

The Alliance model AL119SL utilizes a side mounted coil that is supplied separately.

Hydrastone-lining

The concept of stone-lined water tanks is not a new one, and has been proving successful against corrosion for ages. Many of the stone-lined tanks are installed are 25-30 years old. In fact, the New England area has been using stone-lined tanks for years due to their water supply being very acidic and has been devastating to glass lined tanks.

What makes the Alliance SL unique is the Hydrastone-lining. This one half inch lining protects the steel tank from

the corrosive action of water. When the water first enters the tank, it is absorbed into the Hydrastone-lining permanently. This water loses its oxygen and becomes inert, non-corrosive water which then acts as a protective wall between the hot water and steel tank. This unique process and design makes Alliance SL water heaters a great choice for domestic hot water applications.

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Burnham AL119SL warranty Alliance SL, Hydrastone-lining
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AL119SL specifications

The Burnham AL119SL is a highly efficient, residential gas-fired boiler known for its advanced technologies and robust performance. Designed and manufactured by Burnham, a trusted name in the heating industry, the AL119SL offers exceptional reliability and a commitment to energy efficiency.

One of the standout features of the Burnham AL119SL is its high-efficiency design, boasting an AFUE (Annual Fuel Utilization Efficiency) rating of up to 85%. This means that the boiler converts a significant portion of fuel into usable heat, making it an economical choice for homeowners looking to reduce their energy bills. The boiler is equipped with a low-profile design that allows for easy installation in tight spaces, without sacrificing performance.

The AL119SL utilizes a cast iron heat exchanger, which provides excellent heat retention and helps to maintain consistent heating throughout your home. This durable construction enhances the lifespan of the boiler while ensuring effective heat transfer. The unit also features an integral draft hood, simplifying venting requirements and enhancing safety by preventing flue gases from entering the living space.

In terms of technology, the Burnham AL119SL is compatible with a variety of controls, allowing homeowners to customize their heating experience. The boiler can be connected to advanced digital thermostats for precise temperature management and improved energy savings. Additionally, its electronic ignition system eliminates the need for a standing pilot, further reducing energy consumption.

The AL119SL also incorporates both a standard and an optional indirect water heater, providing hot water for domestic use without affecting heating performance. This dual-function capability makes it an ideal solution for households looking to streamline their heating and hot water systems.

Maintenance is made easier with the Burnham AL119SL, as it comes with access ports that allow for straightforward servicing. With a range of inputs available, this boiler can cater to various home sizes and heating requirements.

In summary, the Burnham AL119SL is a powerhouse of efficiency and reliability, featuring a high AFUE rating, durable construction, advanced ignition technology, and user-friendly features. It stands out as an ideal choice for homeowners seeking effective heating solutions while prioritizing energy savings and system longevity. With Burnham's reputation for quality, the AL119SL is built to perform, ensuring comfort and efficiency for years to come.
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