If you didn't find this valve, Drill Bit & TAP size to use, change!!!!!!
What you Need
1x 2Stage Vacum Pump (ebay)
![Immagine](https://dl.dropbox.com/s/y7nd8v9oujwyqc2/SAM_3338.jpg)
1x TAP 7-16"-20 UNF (ebay)
![Immagine](https://dl.dropbox.com/s/vrdb35nzpfajtj9/SAM_3348.jpg)
2x O-Ring (better if you find O-Ring for Low Temp)
![Immagine](https://dl.dropbox.com/s/1ocpx50v5cdypmb/85-ORING-12.jpg)
1x Teflon
![Immagine](https://dl.dropbox.com/s/cbpiak4pwitk05a/0-751f7526-420.jpg)
1x Brass Acces Valve (1/4sae-1/4sae) or (1/4sae-7/16"-20) http://ph.parker.com/us/17054/en/refrig ... s/avu1f1-4
![Immagine](https://dl.dropbox.com/s/unsseqwm8ghxd4k/avu1f1_pd.jpg)
1x Drill Bit 9.5mm for Steel
![Immagine](https://dl.dropbox.com/s/jrkje3qcjuaotgm/9314244006089.jpg)
All this material need to apply Brass Acces Valve (1/4sae-1/4sae) or (1/4sae-7/16"-20) !!!!
If you didn't find this valve, Drill Bit & TAP size to use, change!!!!!!