Danfoss Motorised Zone Valve - 22mm
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eBay2 Port Valve & Actuator, 22mm Shoe Valve - Danfoss HP22 087N6608 RRP: £71.99
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Danfoss HP22 22mm 2 Port Motorised Valve Shoe Valve 087N660900Free delivery in 1–3 days£56.63Visit shop →
Danfoss HP22 Motorised 2 Port Valve and 2 Port Actuator Complete Set 087N660900Free delivery in 1–3 days£64.99Visit shop →
Product Information
Full details
This guide is for homeowners and heating engineers looking to understand and effectively use the Danfoss Motorised Zone Valve (22mm). It's designed to provide precise control over your heating system, leading to improved comfort and energy efficiency. The valve is best suited for hydronic heating systems, but proper installation and system balancing are crucial for optimal performance.
All features
| Model Part Number | HP22 |
|---|---|
| Brand | Danfoss |
Extended Product Information
FAQs
How does the spring return to closed function work?
The spring mechanism automatically closes the valve if power is lost, preventing uncontrolled water flow and protecting the heating system.
Can I install this valve myself?
While the installation may seem straightforward, it is recommended to have a qualified professional install this valve to ensure correct and safe operation.
What kind of maintenance does the valve require?
Regularly check for leaks, clean the system filters annually, and inspect the actuator for any blockages.
What is the warranty period?
Warranty information is specific to the retailer; check the product documentation or contact your supplier.
What if the valve fails?
If the valve fails, it may need to be replaced. Consult a qualified heating engineer for assistance.
Can I use this valve with a combi boiler?
Yes, the valve is compatible with most combi boiler systems, provided the pipework is 22mm.
Troubleshooting
Valve does not open or close
Check the electrical connections, thermostat settings, and power supply. Verify that the valve is properly wired according to the manufacturer's instructions.
Noisy operation
Check for any obstructions or debris in the valve. Ensure the system is properly balanced and free of airlocks.
Leaking from the valve
Inspect the compression fittings and connections for leaks. Tighten as needed. If the leak persists, the valve may need to be replaced by a professional.
System not heating properly
Check the thermostat, ensure the pump is working, and that the water flow is not obstructed. Check the valve operation manually to ensure it's functioning as expected.
Pros and Cons
Pros
- Improved comfort through precise temperature control.
- Enhanced energy efficiency, potentially lowering heating bills.
- Easy integration with existing hydronic heating systems.
- Reliable spring return to closed functionality for safety.
- Simple operation controlled by standard thermostats.
- Durable construction ensures long service life.
Cons
- Requires electrical wiring for installation.
- May require professional installation depending on your experience.
- Valve and actuator are sold as a set only.
- Compatibility is limited to hydronic heating systems.
- Potential for noise during valve operation.
- Regular system maintenance is still needed.
Setup, Compatibility & Care
Setup:
- Installation: This valve is intended for installation by a qualified professional. Ensure the power is off before starting. Follow the manufacturer's instructions for wiring and plumbing.
- Plumbing Connection: Connect the valve to the 22mm pipework, ensuring tight and leak-free joints. Use compression fittings for a secure connection.
- Electrical Connection: Connect the valve to the thermostat and power supply according to the wiring diagram.
- System Startup: Once connected, power on the system and test the valve's operation using the thermostat.
Compatibility:
The Danfoss Motorised Zone Valve (22mm) is compatible with:
- Hydronic heating systems.
- 22mm pipework.
- Standard thermostats.
Care:
- Regularly inspect the valve for leaks or unusual noises.
- Clean the system filters annually to maintain optimal performance.
- Ensure that the actuator is clean and free of obstructions.
- If any issues arise, consult the troubleshooting section or contact a qualified heating engineer.