Pentair A-AV-150PP Aeration Valve 1/2” BSP - 1 1/2” BSP for 14” - 63” Vessels (vacuum Breaker) Sand Gravel and Turbidity Media • Economy of time for

• Economy of time for making the cleaning

Helps preserve the functionality of your SE2 lighting system by providing reliable and efficient illumination

The AquaMatic K521-P Adaptor Kit (Manufacturer Part Number: 1070227) is a factory-original pair of 1-inch female NPT threaded adapters engineered exclusively for AquaMatic K521 Series composite body diaphragm valves

5mm slots for optimal flow

Pentair A-AV-150PP Aeration Valve 1/2” BSP - 1 1/2” BSP for 14” - 63” Vessels (vacuum Breaker) Sand Gravel and Turbidity Media • Economy of time forIf there is no aeration valve, the warranty is voided in case of vacuum leading to tank break. Aeration valve is a safety device to prevent this.