3D Printed Radiator Air Purge Wrench Key 5mm
Design preview. Rendered from the file, not a photo.
The maker says it fits: 5mm square valve screws on radiators. See the proof
This model is not currently offered as a verified ready to buy print.
What it does
- Fits 5mm square valve screws so you can release trapped air from your radiator quickly
- Prints without support when you rotate the flat side down, saving you time and material
- Compact workshop tool that stays in your toolbox ready when you need it
- Made on demand just for you, so you get a fresh tool without shipping delays
Keep your heating system running hot by purging air from radiators the easy way. This wrench key slides onto 5mm square valve screws so you can release air bubbles that block water flow and reduce heat.
Designed to print cleanly without support material, this tool comes ready to use right out of the printer. The flat surface sits against your build plate during printing, making the whole process faster. You get a small, durable workshop tool that fits in any toolbox and works when you need it.
Order now and we'll print it fresh for you from the US.
565 downloads in the maker community. That is interest in the design on the site it came from, not our sales.
What it fits
The maker says it fits: 5mm square valve screws on radiators
That is the maker's word, not a fit we measured. Check the size below against your own.
- 5mm square valve screws on radiators (model 5mm)From the maker's own listing title, checked 2026-08-13. See the original post
What you get
- This design prints as one piece.
- Nothing else to print or buy for this to work.
What it is made of
Designs like this print well in PLA. Compare the materials.
Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.
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Who made this design
Designed by mathiaspl20. We did not draw it.
Shared under GNU GPL. See the original design