Quote Originally Posted by KaptCrunch View Post
contacts
Yeah, but I don't know if in vario model there's R17 and R18 soldered, under the pot.

Quote Originally Posted by IanY View Post
Biddy,

You need to buy another D5 Vario pump and run them in series, back to back. You will have more head pressure and you will also have redundancy in case of pump failure.
Biddy

It's a good ideia, but I do not have space for this, and I like to mod things

Rbs.