These valves can be controlled by either a handle or servo.
They need screws to be assembled:
(4) 3mm self tapping screws 10mm-16mm for the cover to the body.
(2) 3mm self tapping screws 6-10mm for the handle or -
(2) 2mm self tapping screws 6mm for using a servo

Print the cover upside down.

I used tree supports:
20 degrees
auto
build plate only

Bambu Lab

Bambu P1P

No

Yes

.2

15%