Pentair Adapter Nut | FullFlow D.E. Valve | 274440Z Phosphate Removers including variable speed models in

including variable speed models in those lines

check the existing knob and bolt assembly against your pump's parts diagram to confirm compatibility before adding to cart

leak-free installation

and large debris before it reaches the pump impeller

housing the shaft seal assembly and maintaining the pressure boundary that keeps water separated from the motor cavity

Pentair Adapter Nut | FullFlow D.E. Valve | 274440Z Phosphate Removers including variable speed models inThe Pentair Adapter Nut (274440Z) is the OEM replacement fastener for the Pentair FullFlow D. E. Valve (Model 263011). IMPORTANT: 2 REQUIRED PER VALVE NOT SOLD AS A PAIR Two (2) of this nut are required per FullFlow D. E. Valve. This listing is for one (1) nut. Order the quantity you need accordingly. IMPORTANT: MUST BE ORDERED AS PART OF SHAFT ASSEMBLY This nut may not be purchased separately. Pentair requires it to be ordered as part of the complete