M30 TRV adapter for M28 valve (comap...)
thingiverse
This adapter plugs eTRV's like MAX! or eq3 into Comap head valves, or other brands with M28 threads. A few samples were printed from the given source but they didn't fit well on my radiators. Therefore, I redesigned it completely from scratch using Fusion 360. The M28 thread used in this version is scaled up to 103%, which fits nicely onto my radiator valve and holds securely. To complete this adapter, you need to add a 5mm metal pin as described in the original design.
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