• Central Vacuum Air Relief Valve for 2 in PVC Pipe Systems
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Trovac

Trovac Air Relief Valve for 2 in. PVC Central Vacuum Pipe

Trovac Air Relief Valve for 2 in. PVC Central Vacuum Pipe

$18.00 USD
$18.00 USD
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TDBLEEDVA1
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Trovac Air Relief Valve for...

$18.00

Product details

Part TDBLEEDVA1 installs directly into a run of 2 in. PVC central vacuum tubing and opens on its own if a hose or a section of pipe further along becomes blocked. Opening lets outside air into the line, so the power unit keeps a path to pull air through rather than fighting a dead stop somewhere in the system.

A central vacuum motor relies on the air moving through it to carry heat away, so a full blockage that cuts that airflow off entirely also leaves the motor running hotter than it should. On a long pipe run, or a network with several branches feeding into one trunk, a relief valve gives the system a place to draw air from during a clog rather than leaving the motor to labor against a sealed line until someone finds and clears the blockage.

  • Part: TDBLEEDVA1
  • Pipe size: 2 in.
  • Function: admits outside air into the line during a blockage

Bond the valve with a PVC cement rated for 2 in. central vacuum tubing, and place it partway along a long run rather than right next to the power unit, since that gives it more of the pipe network to relieve when a clog forms further out. A valve like this one is a low-cost safeguard against the far more expensive job of replacing a motor that overheated during a blockage.

Verified against: Trovac's CycloVac listing for air relief valve TDBLEEDVA1