The Altecnic Eres 15mm Straight Twin Pack with chrome heads (ER-15MMSTWCH) provides a stylish and reliable solution for controlling radiator flow in modern heating systems. Designed with a robust brass body and a polished chrome finish, these straight valves offer smooth manual operation and consistent performance. Suitable for 15mm pipework, they deliver a clean, contemporary look while ensuring long-lasting durability and efficient system control.