Danfoss HPA2 2 Port Motorised Valve Actuator 087N657900. Genuine Danfoss HPA2 2 Port Motorised Valve Actuator. The Danfoss HPA2 2 port valve actuator is part of the “H” motorised valve series which is compatible for use with both copper and iron pipework making it one of the most popular 2 port valve actuators available.
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