Pentair Adapter Nut | FullFlow D.E. Valve | 274440Z Phosphate Removers check the existing knob and

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

locate the part number stamped or molded directly on your existing impeller and confirm it matches 16830-0209

Extremely durable and maneuverable

including variable speed models in those lines

P4RA 37400-0027S Sundance® Spas Theramax

Pentair Adapter Nut | FullFlow D.E. Valve | 274440Z Phosphate Removers check the existing knob andThe 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