It is a transition piece that adapts the new vertical air conditioner systems to fit the older wall plenums. It will add about 2.5" to the depth (front to back). It is to be used with:
- RAVWP6 - for installations with walls up to 6" thick
- RAVWP8 - for installations with walls up to 8" thick
- RAVWP12 - for installations with walls up to 12" thick
- RAVWP15 - for installations with walls up to 15" thick
The kit includes the transition plenum, 4 pieces of insulation (top, bottom and 2 side pieces), drain pan and 6 screws.