Speck Pumps Lid Knob [21-80 BS w/Bolt] (2920992501) aquasun Auxiliary topside panel for compatible

Auxiliary topside panel for compatible E2 spa applications

Useful when the original knob is cracked or missing

or too worn to trust during rebuild work

or no longer generates at the level the system needs

When a run capacitor becomes weak or unreliable

Speck Pumps Lid Knob [21-80 BS w/Bolt] (2920992501) aquasun Auxiliary topside panel for compatibleThe Speck Pumps Lid Knob [21 80 BS w Bolt] is a replacement pump component for compatible Speck pump systems. This OEM style replacement part is intended for service professionals and pool or spa owners who need a dependable repair part for circulation equipment. Keeping pump body, lid, casing, and mounting components in good condition helps protect circulation performance and makes future service easier. Before ordering, compare the part number