3 Bar Safety Valve Cointra ED 21 I - Ref. 9158449
Safety valve set at 3 bar, with the code 9158449 engraved on the body, matching the catalog reference. Compatible with Cointra boilers from the ED 21, SP 21, SP 24, SP 27, SPA 27, SPI 21, and Supra Compact 21 ranges. Releases water from the circuit if the pressure exceeds the setting, preventing overpressure. The replacement requires first confirming the fault of the part through technical diagnosis, even when it drips continuously or loses calibration.
- Type of part
- Safety valves
- Status
- Refurbished
- Catalogue reference
- 9158449
- Warranty
- 1 year
Cointra boilers compatible with reference 9158449
Safety valve with reference 9158449. 11 verified compatibilities: ED 21 I and ED 21 EI.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Cointra ED 21 I | Edyco | Contrasted |
| Cointra ED 21 EI | Edyco | Contrasted |
| Cointra SP 21 I | Supra | Contrasted |
| Cointra SP 21 EI | Supra | Contrasted |
| Cointra SP 24 I | Supra | Contrasted |
| Cointra SP 27 EI | Supra | Contrasted |
| Cointra SPA 27 EI | Supra | Contrasted |
| Cointra SPC 21 EI / Supra Compact 21 EI | Supra | Contrasted |
| Cointra SPI 21 I | Europe | Contrasted |
| Cointra SPI 21 EI | Europe | Contrasted |
| Cointra SPI 27 EI | Europe | Contrasted |
Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.
How to check if the ref. 9158449 is the part for your boiler
The part reference, model, and equipment revision must be verified against the manufacturer's documentation.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 9158449. If it is not visible, do not identify the part from its shape alone.
- Check the full boiler model on its data plate and look for it in the model associations on this page.
- Compare the connections and physical body with the original part before installation.
- If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Symptoms that require diagnosis in the safety valve 9158449
The safety valve releases pressure when the circuit exceeds its setting. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
It continuously drips from the discharge pipe, even when the boiler is off.
Cause: The valve is set to 3 bar; if the circuit pressure is lower and it continues to drip, the seat is not sealing properly.
Measure the cold pressure: if it is below 2.5 bar and the dripping persists, it is not a system pressure issue.
- 02
After bleeding or activating the test lever, it continues to lose water.
Cause: Dirt or limescale on the seat can prevent it from closing completely.
Repeat the bleeding, letting the water run a couple of times before changing the gas valve.
- 03
The circuit is losing pressure and no leaks are visible in the radiators or pipes.
Cause: A valve that drips intermittently can release pressure without leaving visible puddles.
Check the expansion vessel: if it has lost air, the pressure rises too much when heating and it may open the valve without being damaged.
- 04
The pressure needs to be topped up more frequently than usual.
Cause: Every time the valve is opened, even briefly, water is lost and the pressure drops.
Note if the pressure loss coincides with moments of greater heating; this suggests a problem with the expansion vessel rather than with the valve.
Fault codes Cointra that require diagnosis
| Code | Fault | Technical checks |
|---|---|---|
| E09 | High pressure alarm | An alarm has been triggered due to high pressure in the system. This can be dangerous and requires immediate attention. Check the valves and the condition of the system to determine if the safety valve is failing. |
These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.
Data sheet for the Cointra safety valve 9158449
- Catalogue reference
- 9158449
- Uniclima internal SKU
- VSCED21I
- Brand
- Cointra
- Type of part
- Safety valves
- Units in stock
- 3 units
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- Delivery time shown at checkout
- Return
- 14 days
Part data and available documentation
Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.
- Setpoint
- 3 bar
- Code engraved on the part
- 9158449
Manuals and technical documentation
Official documentation of the boiler, useful for locating the part and cross-referencing the fault codes.
- Cointra SP 21 I Manual (PDF) Document © Cointra, provided as a technical reference.
Frequently asked questions about the safety valve 9158449
Is this valve suitable for a Cointra SP 24 I?
What pressure is the valve of the Cointra SPA 27 EI set to?
Does reference 9158449 match the code engraved on the part?
When should this valve be replaced in a Cointra Supra Compact 21 EI?
