Caleffi Danfoss Fixed TRV Head - Ca-200000
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Product Information
Full details
The Caleffi Danfoss Fixed TRV Head (Ca-200000) is an essential component for commercial and residential central heating systems, designed for users seeking precise flow regulation in radiators, fancoils, or heated ceiling installations. It offers the benefit of versatile control via either manual operation or an integrated thermostatic controller, ensuring optimal thermal comfort throughout a building. One notable caveat is that users must ensure their existing valve body is compatible with the Danfoss connection standard before installation.
All features
| Model Part Number | Ca-200000 |
|---|---|
| Brand | Caleffi |
Extended Product Information
FAQs
Is this TRV head compatible with non-Danfoss valve bodies?
No, this model is specifically engineered for Danfoss connection interfaces and will not fit standard valve bodies without an appropriate adapter.
Can this be used with heated ceilings?
Yes, it is suitable for managing flow in heated ceiling systems provided the pressure and temperature remain within the 10 bar/100 Celsius limits.
Does this valve require electricity?
No, this is a mechanical thermostatic radiator valve and does not require power or batteries to function.
What is the maximum pressure this valve can handle?
The maximum working pressure is 10 bar.
Can I use this for DIY installation?
While simple to install, it is recommended to use a professional to avoid system leaks or improper balancing of your heating circuit.
Troubleshooting
Radiator stays cold despite setting adjustment
Check if the internal valve pin is stuck due to inactivity; remove the head and gently press the pin to ensure it moves freely.
Water leaking at the connection point
Ensure the union nut is fully tightened and the O-ring seal is not damaged or missing.
Valve makes a whistling noise
This often indicates excessive flow velocity; consider adjusting the system's balancing or check if the pump speed is set too high.
Pros and Cons
Pros
- Durable construction suitable for demanding commercial environments
- High pressure and temperature tolerance
- Dual-use capability for manual or thermostatic regulation
- Reliable, high-quality engineering from Caleffi
Cons
- Limited to Danfoss-compatible valve bodies
- Requires professional installation for optimal calibration
- Lacks digital scheduling features found in smart radiator valves
Setup, Compatibility & Care
Installation should be performed by a qualified heating technician to ensure the system is properly drained and pressurized. Verify that your current radiator valve body supports the Danfoss connection standard before purchasing. Once installed, the unit requires minimal maintenance; however, you should periodically check the valve for any signs of weeping or stiffness. During the summer months, it is recommended to set thermostatic heads to the fully open position to prevent the valve pin from sticking due to lime scale buildup. If cleaning is necessary, use only a soft, dry cloth; avoid harsh chemical cleaners that may damage the valve finish or internal seals.