Roof tank vents on a 38 rssa

[srixon]

Cannot find anything in search. Trying to figure out which roof vent pipe is for grey and black tanks. 2017 M/S

[porthole]

Are there any grease pencil marks on the caps?
On ours it was the vent not marked.

Non vent were
Solar
SAT

[srixon]

Thanks for the reply, 4 vent caps and none marked.

[porthole]

Ok, rough idea

Most forward - solar prep
Right side near door WiFi ranger access
Left side, 2 maybe?
One vent, one SAT prep coax and cable

[srixon]

Thanks I will check it tomorrow.