Danfoss 087N657900 Actuator For Zone valve

The Danfoss HPA2 (087N6579) is a robust 230 V, 2‑port spring‑return actuator with SPST auxiliary switch designed for H‑series motorised shoe valves. It features a manual override lever for filling, fast opening (≤ 35 s) and closing (≤ 20 s), and a voltage‑free SPST contact — ideal for controlling central heating or hot water flow in domestic or commercial systems.