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Trusted Performance in Hydronic Heating Solutions for Homes & Commercial Buildings
Weil-McLain AquaBalance Series 2 boilers provide high-efficiency heating in a compact, wall-mounted design for residential and light commercial applications. Featuring 95% AFUE efficiency and a durable 316L stainless steel heat exchanger, these condensing gas boilers are available in heat-only and combination models for dependable space heating and domestic hot water. With multiple input sizes, flexible venting options, user-friendly digital controls, and natural gas or propane capability, AquaBalance Series 2 boilers offer an efficient and versatile solution for year-round comfort.
Trusted Hydronic Heating Solutions for Homes & Commercial Buildings
Buy Weil-McLain Heating Systems here at HVACDirect.com
Bring dependable comfort to your home or building with Weil-McLain heating equipment from HVACDirect.com. With a history dating back to 1881, Weil-McLain is a leading name in hydronic heating, offering solutions designed for residential, commercial, and institutional applications. From traditional cast iron boilers to modern high-efficiency condensing systems, Weil-McLain combines proven heating technology with contemporary controls and materials to meet a wide range of comfort and performance needs.
Weil-McLain offers an extensive selection of heating equipment for different fuels, building sizes, and system requirements. The lineup includes gas and oil boilers, hot-water and steam boilers, high-efficiency condensing boilers, combi systems that provide space heating and domestic hot water, commercial boiler systems, indirect-fired water heaters, heat pump systems, and hydronic controls. Depending on the product, heat exchanger technologies include cast iron, stainless steel, and aluminum, providing options for both traditional installations and modern high-efficiency heating systems.
Find the right Weil-McLain solution for your heating project at HVACDirect.com. Whether you are replacing an aging residential boiler, upgrading to a high-efficiency condensing system, choosing a combi boiler for heating and domestic hot water, or specifying equipment for a larger commercial application, Weil-McLain offers systems across a broad range of capacities and configurations. Compare fuel type, heating capacity, efficiency, heat exchanger material, venting requirements, domestic hot-water capability, and installation requirements to select the right equipment for your application. Shop Weil-McLain at HVACDirect.com and choose heating equipment backed by generations of hydronic expertise.
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Frequently Asked Questions About Weil-McLain AquaBalance Series 2 Boilers
The Weil-McLain AquaBalance Series 2 is a high-efficiency wall-mounted gas-fired condensing boiler designed for residential and light commercial heating applications. It is available in both heat-only and combination models, with combi models providing space heating and domestic hot water from a single compact unit.
Weil-McLain AquaBalance Series 2 boilers have a 95% AFUE rating. Their high-efficiency condensing design helps capture additional heat from combustion gases, allowing the boiler to provide efficient space heating while helping reduce fuel consumption compared with many conventional boilers.
AquaBalance Series 2 combi models provide both hydronic space heating and on-demand domestic hot water from one appliance. Heat-only models are designed primarily for space heating and can be paired with an appropriate indirect water heater when domestic hot water production is required.
The AquaBalance Series 2 is available in 80, 120, and 155 MBH input sizes. Each size is offered in both combination and heat-only configurations, providing options for different heating loads and domestic hot water requirements.
The AquaBalance Series 2 features an ASME-certified 316L stainless-steel single-tube heat exchanger. Its durable construction is designed for efficient heat transfer, low pressure drop, and dependable operation in a properly installed and maintained hydronic heating system.
Yes. AquaBalance Series 2 combi models are designed to provide both space heating and on-demand domestic hot water. The amount of hot water available depends on the specific boiler size, incoming water temperature, desired outlet temperature, and household demand.
Yes. The AquaBalance Series 2 uses a compact wall-mounted design that can help conserve floor space. This makes it well suited for many replacement and new-construction applications where mechanical-room or utility-space availability is limited.
The correct AquaBalance Series 2 model should be selected according to the building's calculated heating load and, for combi models, its domestic hot water requirements. Factors such as climate, building size, insulation, number of heating zones, fixtures, and expected hot water usage should be considered. A qualified heating professional should perform the required sizing calculations before installation.
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