Product Description
This vacuum switch is used with both the low-profile vacuum generator VG3 and the vacuum holding tank VHT.
It connects to the tank using an 1 1/2" sealing grommet, which is included.
Link to VGIII diagram: https://www.environmentalmarine.com/low-profile-vacuum-generator-vg3/
Link to VHT diagram: https://www.environmentalmarine.com/vacuum-holding-tank-vht/