Hayward DE Filter Element Cluster Assembly | DEX2420DC Pool Skimmer Parts Cracked or crumbling refractory material

Cracked or crumbling refractory material inside heater

The mechanical seal controls leakage at the shaft area

OEM construction ensures safe placement around approved burner systems and reliable performance in high-temperature fireplace environments

Also common when cartridges show collapse or excessive wear

Simple dosing helps integrate with regular pool care routines

Hayward DE Filter Element Cluster Assembly | DEX2420DC Pool Skimmer Parts Cracked or crumbling refractory materialWhat This Part Is Used For The Hayward DEX2420DC Filter Element Cluster Assembly replaces the complete internal grid cluster in compatible Hayward DE2420 filter systems. It supports DE powder distribution and fine particle filtration. Why This Part Matters Damaged or worn grids can allow DE to return to the pool and reduce filtration efficiency. Replacing the cluster assembly restores proper internal structure and filtration performance. This helps