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Sometime in 2024, Crosman at the factory level, modified the production of their two-piece aluminum valves.

The two piece valves, from a manufacturing perspective, have always been a pain in the butt to machine.

There is a back half and a front half of the valve. The back has the exhaust hole. The front, at exactly 180° opposite, has the threaded hole that doubled as the fastener for the trigger frame and to keep the valve in place in the tube.

That has always been an issue because, if the exhaust hole and threaded hole weren't perfectly 180° opposite each other, the installation would fail. It wouldn't really fail, it would just cause the user (or the factory) to have to rotate the two halves against each other until they perfectly lined up.

The bigger issue, though, is that the valve halves had to be machined as a matched set. Because the threads that hold the front of the valve to the back of the valve are machined at random, the factory could not machine front halves that universally matched the back halves.

It's hard to explain, but if the factory didn't machine the exhaust hole and the threaded hole with the valve already assembled and in situ, they could never be perfectly opposite.

So, when random buyers (or aftermarket machinists) call Customer Service needing to buy just a front half (or just a rear half) they would never be sure the exhaust would line up with the threaded hole.

Ultimately, they'd have to buy an entire valve to ensure the holes aligned.

Thus, in 2024 Crosman designed this new style with a circumferential groove for the trigger frame screw to poke into.

Since this groove circles the entire valve, there is no longer any alignment issues. Now, the factory can easily machine halves (because there is no more need for the halves to perfectly match and users can install significantly easier.

The new problem, though, is how do you fasten the trigger frame to the tube?

Well, the same the 2240 has always done it: just thread the main tube hole itself.

So now, not only are the pumper valves different, but now so are the tubes.

This creates a significant problem for modders and aftermarket suppliers.

Now, people like me have to write knowledge base articles like this, and jump through a dozen more hoops to ensure buyers get the correct parts.