EPH Detach PRO Replacement Actuator - A1P
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Product Information
Full details
The EPH Detach PRO A1P is a high-performance replacement actuator designed for professional heating installers and homeowners looking to maintain or repair 2-port valve systems. Its key benefit is the 1.2-meter detachable power cable, which simplifies installation and future servicing, though users should note it carries an IP20 rating, meaning it is intended for indoor use only and must be kept away from moisture.
All features
| Series | Detach PRO |
|---|---|
| Model Part Number | EPH DETACH PRO A1P |
| Brand | EPH |
Extended Product Information
FAQs
Is the EPH Detach PRO A1P compatible with Horstmann valves?
Yes, it is compatible with Horstmann F222, F222F, F228, and F228F valve models.
What is the IP rating of this actuator?
The unit has an IP20 rating, meaning it is for indoor use and is not protected against water ingress.
Can I replace just the actuator head?
Yes, this model is designed as a direct replacement actuator head for existing compatible valve bodies.
What is the maximum fluid temperature it can handle?
The actuator is rated for a maximum fluid temperature of 88˚C.
Does this actuator come with a cable?
Yes, it includes a 1.2-meter detachable power cable for ease of installation.
Troubleshooting
LED indicator is not illuminating
Check the power supply at the junction box and ensure the detachable cable is fully seated into the actuator body.
Valve fails to open
Verify that the thermostat is calling for heat and that 230V is reaching the actuator terminals.
Actuator is making a humming noise
Check for mechanical resistance in the valve body, as the motor may be struggling against a seized spindle.
Pros and Cons
Pros
- Detachable cable significantly eases installation in tight spaces
- Built-in LED status light makes troubleshooting much faster
- Wide cross-brand compatibility with EPH and legacy Horstmann models
- Simple 230V power requirement for standard heating systems
Cons
- IP20 protection rating offers no defense against water or humidity
- Requires professional electrical knowledge for safe installation
- Maximum ambient temperature limit of 50˚C restricts placement in extreme heat
Setup, Compatibility & Care
Installation should always be performed by a qualified heating engineer or electrician. Ensure the power is isolated at the fused spur before disconnecting the old unit. The actuator should be mounted onto the valve body and secured using the provided interface. To maintain the unit, keep the surrounding area free of dust and debris, and ensure that the unit is not exposed to drips or condensation due to its IP20 rating. Periodically check the cable connection to ensure it is firmly seated to prevent intermittency.