Hayward Cl220 Accessory Pak (CLX220PAK) valpakproducts and this Coates sensor is

and this Coates sensor is designed for compatible 61L and E-6 applications using a 5/16 inch diameter probe

5 inch by 2 inch connection format for compatible applications

or no longer balanced and efficient enough to justify reuse

Designed for compatible electrical conductor termination

Replacing it can help restore cleaner pressure delivery and improve the overall condition of the hose assembly

Hayward Cl220 Accessory Pak (CLX220PAK) valpakproducts and this Coates sensor isThe Hayward CL220 accessory pack is designed for compatible chlorinator applications where supporting service or installation components are needed together. An accessory pack is useful because it brings together related feeder parts in one package, helping simplify maintenance and reduce the need to source small components individually. This replacement is especially useful when multiple feeder accessories are worn, missing, or needed during a repair