Central Vacuum Firewall Pipe Heat Expand Collar
- Most cities in the whole United States require this device to comply with city code ordinances.
- Item fits around the 2 inch pipe going through your wall from the garage to the main central vacuum unit.
- In the event that there is a fire, this device will collapse the pipe so fire can't get past the wall as fast.
- This collar will fit most brands of central vacuums.
If you have any questions please feel free to contact me and I will personally answer your questions.
The Vacuum Doctor.