Danfoss Actuator Hsa3 Replaces Sk3 Sd1701 Pmv3

87N658700 3 port mid-position | 4 wire Spring return valve actuator use with both paddle & shoe valves

The Danfoss HSA3 Actuator is a genuine motorised valve head designed for precise control of heating and hot water flow in domestic central heating systems. Compatible with various Danfoss, Randall, and other 3-port and diverter valves, it is a direct replacement for older models including SK3, SD1701, and PMV3.

• Genuine Danfoss replacement part

• Model: HSA3

• Replaces: SK3, SD1701, PMV3

• Controls flow to heating and hot water circuits

• Suitable for use with Danfoss 3-port and diverter valves

• Pre-wired for straightforward installation

• Durable motor and gearing for long-term reliability

• Manufactured to original Danfoss specifications

Ideal for restoring smooth, reliable motorised valve operation in central heating systems.