Install, repair, or replace damaged or worn solenoid valves with options from the collection at F.W. Webb. Solenoid valves are most commonly used in hydronic systems and come in two main types, direct-acting and indirect-acting, and identify as normally open or closed based on their resting state. We offer single solenoid valves and 2-way options with dual ports that either allow liquid through (open) or keep it out (closed). Find corrosion-resistant solenoid valves made of sturdy materials including brass, aluminum, and bronze that can stand up to continual daily use. Keep your hydronic system running at its full potential with a single or 2-way solenoid valve from Asco.