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

For the salt water

the other is typically at a similar stage of its service life

For plaster/concrete pools and measures 14"

with place to write the capacity of your own pool (consult your local regulations for sizing advice)

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