EPH Controls 2 Port Motorised Valve Replacement Actuator - DS1P

Name: EPH Controls 2 Port Motorised Valve Replacement Actuator - DS1P
Brand: EPH Controls
SKU: wlfn7fvbnc
Availability: InStock

The EPH DS1P replacement actuator is designed as a direct powerhead replacement for Danfoss HPV an...

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EPH Controls DS1P Detach Pro - 2 Port Actuator (HPA2 Replacement)

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BradfordsEPH - 2-Port Actuator - DS1P - For Danfoss HPV and Sunvic EM345 Valves

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Product Information

Full details

The EPH Controls DS1P replacement actuator is designed for heating engineers and DIY-capable homeowners looking to restore functionality to Danfoss HPV and Sunvic EM345 2-port motorised valves. Its primary benefit is providing a seamless, direct-fit replacement that eliminates the need for full system drainage, though users must note that installation requires electrical competency and basic mechanical knowledge to ensure correct alignment and wiring.

All features

Model Part Number	DS1P
Brand	EPH Controls

Extended Product Information

FAQs

Do I need to drain my system to install this?

No, the DS1P is designed as a powerhead replacement, meaning it mounts to the existing valve body without breaking the water seal.

Is this compatible with 3-port valves?

No, this unit is specifically designed for 2-port motorised valves.

What is the purpose of the 5-wire configuration?

The 5-wire setup allows for power, neutral, and end-switch signaling required for most standard heating controls.

Can I install this myself?

While physically simple, it involves 230V mains electricity. If you are not confident or qualified in electrical work, consult a professional heating engineer.

What should I do if the valve is stuck?

The DS1P replaces the motor. If the valve body itself is seized, the actuator will not be able to turn it. You may need to manually work the valve spindle first.

Troubleshooting

Indicator light does not turn on when heating is called.

Check the thermostat and wiring connections to ensure 230V power is reaching the actuator.

Actuator is fitted but the valve does not open.

Verify that the actuator is correctly seated on the valve body and the manual override lever is in the correct position.

Pros and Cons

Pros

Compatible with a wide range of Danfoss and Sunvic valve models
No need to drain the central heating system to replace
Integrated status indicator light saves troubleshooting time
Includes essential mounting accessories for a secure fit

Cons

Requires knowledge of heating system wiring
Not compatible with 3-port valves or non-specified brands
Professional installation is recommended to avoid electrical hazards

Setup, Compatibility & Care

Installation should only be performed by someone competent in electrical systems. Always isolate the electrical supply to the heating system before starting. Ensure that the valve body is clean and free of debris before attaching the new actuator.

Compatibility: Compatible with Danfoss HP22B, HP28B, HP15B, and Sunvic SZ, SZM, and SM series.
Care: Keep the unit dry and free from dust. Regularly check the indicator light during system operation to ensure the motor is engaging correctly. Do not use chemical cleaners on the casing; use a dry, soft cloth if dusting is required.