Danfoss Randall HPA2 4 Wire 2 Port Valve Actuator 087N657900 Genuine Part *NEW*
Danfoss HPA2 Actuator 087N657900. Part No.HPA2 | 087N657900. A lever enables the valves to be opened manually, useful when filling the system. Can also be used to replace Landis & Gyr SK2 Actuator, Pegler Sunvic SZ1301/SZ2301 and Potterton PMV2.