PurePro Advantage Gas-Fired Water Boiler, specifically a four-section model designed for natural draft chimney venting, known for its cast-iron heat exchanger, durable construction, and use with natural gas, providing reliable hydronic heating for homes with features like intelligent controls and an integrated low-water cutoff for efficiency and safety.

Key Characteristics:

Type: Residential Gas-Fired Water Boiler.

Manufacturer: PurePro (part of the Advantage series).

Draft: Natural Draft, venting into a conventional chimney.

Sections: Four sections (indicated by the '4' in AG4).

Fuel: Natural Gas (or propane with conversion).

Material: Cast-Iron heat exchanger for durability.

Controls: Features smart controls like HydroStat for efficiency and safety.

Efficiency: Standard efficiency, often around 84% AFUE.

What it does:

Heats water for home heating systems (radiators, baseboards).

Can be paired with indirect water heaters for domestic hot water.

Designed for straightforward installation and long life.