Stuck and Connection
Check the marking and reference of the unit removed. A Pressure opening from the colour of the Control knob is not attributed or proposed to be replaced by a different setting.

Reconditioned safety valve Cointra EDICO ED 21I. Brass safety valve with a red knob and a threaded side connection. Check the stated pressure setting, thread and discharge orientation against the valve in the appliance.
Check the Body, the type of Connection, and the orientation of the output. The color of the cap helps locate the Part, but does not identify its moron by itself.
Control knob red, thread and Body brass. Compare views from the same angle and complete identification of the Part removed.
Choose a photo of your part to view it beside this unit. Compare the labels, connectors and mounting points from the same angle.
Your photo stays on your device: it is not sent or stored.

Application listed in the catalogue: Cointra EDICO ED 21I. The variant and configuration must match the installed equipment; this does not establish compatibility with other models.
No models are documented for that search.
The application is listed in the catalogue and must be checked against the installed variant. Compatibility has not been confirmed against an exploded parts diagram.
Check the marking and reference of the unit removed. A Pressure opening from the colour of the Control knob is not attributed or proposed to be replaced by a different setting.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Safety valve brass with red Control knob and Connection threaded side. Compare these details with the removed Part and its complete identification.
Control knob red, thread and Body brass. Compare views from the same angle and complete identification of the Part removed.
This product page identifies the catalogued application Cointra EDICO ED 21I. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.