This is the most popular bracket for all basic inlet valve covers. For new construction, nail it to a stud. For existing home installation, cut the stud side off and set it in a 2"x4" drywall cutout. When piping, connect a fitting such as a tight 90 or coupling to the flange. Finish it with a basic inlet valve cover.
Central Vacuum Inlet, Oval Door, Metal - 651BM
This inlet valve fits into a 1 5/8" diameter hole in a mounting bracket inside the wall. The outer dimensions are 3 1/8" by 4 7/8". It can be mounted with the lid opening up or down. Metal inlets are more decorative and can be used outdoors or in the floor.
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