Waterway 1" Notched Air Control [1-5/8" HS, 2-3/4" FD] [Grey] (660-3577) chlorinegenerators and this Jacuzzi DVK7 Valve

and this Jacuzzi DVK7 Valve Cover is designed for compatible applications where the original cover has cracked

and this Filbur FC-2710 cartridge is designed for C-4440 and PSD40 applications

or no longer sitting correctly after years of heating cycles

Fits SP1082

it should also fit and mount the way the spa was originally designed to support it

Waterway 1" Notched Air Control [1-5/8" HS, 2-3/4" FD] [Grey] (660-3577) chlorinegenerators and this Jacuzzi DVK7 ValveThe Waterway 660 3577 notched air control is designed for compatible spa air systems and uses a 1 5 8 inch hole size with a 2 3 4 inch face diameter in grey. This type of control helps regulate the air introduced into the spa system, which can influence how the jets feel and how the overall hydrotherapy experience is tuned. The grey finish makes it a strong match for spas with cooler toned shells or trim, and the notched design supports compatibility