January 2018 - Tied up in the El Cid Marina Mazatlán, Mexico
This was only the "Return" vent which is where the air comes into the HVAC to be converted to heat or A/C. It is called the return and if you think about it that is correct. At first though it does not seem right. At any rate the Mermaid 12,000 btu units "Supply" outlet which is by the fan is right behind this vent. This gray hose wrapped around and connected to a "Y" which then connected to a 8" vent and also a 4" hose which connected to two 4" vents. One in the galley and one 4" vent in the salon.
of the salon cushions - as first installing the HVAC.