Pentair ETi 400 HX & Chimney Gasket (475615Z) pleatco Matching the existing heater's dimensions

Matching the existing heater's dimensions

A collar is useful because it helps support the fit and finish of the visible water-leveler opening

and this Darlly cartridge is designed for compatible applications referencing FC-2940

Dark gray finish

Useful when the original handle is cracked or broken

Pentair ETi 400 HX & Chimney Gasket (475615Z) pleatco Matching the existing heater's dimensionsPentair Gaskets, Pentair ETi 400, HX and Chimney (475615Z) is a replacement sealing part for compatible Pentair pool and spa equipment. O rings, gaskets, square rings, and shaft seals help create watertight connections between lids, housings, valves, pumps, and other equipment assemblies. Replace this part when the existing seal is flattened, cracked, swollen, leaking, or damaged during service. For best results, clean the mating surfaces and confirm