Hayward 350K Negative Pressure Indoor Vent Adapter Vacuum head HH1320 this jet face fits standard

this jet face fits standard cluster jets to deliver a balanced

included hardware

Made for System 3 modular filters (including S8M500 and Sta-Rite models)

Pentair 590119Z

Hayward 350K Negative Pressure Indoor Vent Adapter Vacuum head HH1320 this jet face fits standardHayward 350K Negative Pressure Indoor Vent Adapter The Hayward 350K Negative Pressure Indoor Vent Adapter is engineered to enable safe, code compliant indoor venting for Hayward heaters when negative pressure exhaust is required. It integrates with Hayward indoor vent kits and uses the standard 8" top diameter shared by all indoor venting applications. For site planning, refer to the heaters Table 2, which outlines available indoor venting kits and