This gas proportional valve for wall-hung boilers is compatible with a wide range of boiler models. It precisely regulates gas flow based on heating or domestic hot water demand, ensuring efficient combustion and stable temperature control. Made from high-quality, heat- and corrosion-resistant materials, the valve features a compact structure, quick response, and easy installation. Widely used in both residential and commercial wall-mounted boiler systems, it also supports OEM customization to meet various system and connection requirements. This is a key component for improving boiler performance, safety, and energy efficiency.