Pentair Lid O-Ring | Dynamo Aboveground Pump | 354533Z FC9540 and dark blue

and dark blue

Used on standard and wide mouth skimmers

Fits Pentair MasterTemp HD series pool and spa heater models 400NA

The Pentair O-Ring 2-248 Buna-N 70 Shore A (270116Z) is the OEM replacement O-ring for the FULLFLOXF® Diverter & Check Valve assembly — specifically the 3-way solar diverter valve with drain-down check valve

annealed for added strength and chemical resistance

Pentair Lid O-Ring | Dynamo Aboveground Pump | 354533Z FC9540 and dark blueThe Pentair 354533Z is the OEM replacement lid O ring for the Dynamo aboveground pool pump, sealing the strainer cover to prevent air ingestion and water loss at the pump housing. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair equipment. The strainer cover O ring forms an