Hammerhead Head Wheel Set [21"/30" Vacuum, Large, 2 Pack] (HH1157) h2flow and this Perma Cast CPB

and this Perma Cast CPB version features a 1/2 inch by 13 thread and is designed for 3/4 inch rope using the PI-72-B-I reference

Supports cleaner and more dependable pool-access presentation

or worn hydraulic components

Helps eliminate guesswork caused by faded panel graphics

An electric heater provides the core heating function that keeps water at the intended operating temperature

Hammerhead Head Wheel Set [21"/30" Vacuum, Large, 2 Pack] (HH1157) h2flow and this Perma Cast CPBThe Hammerhead HH1157 head wheel set is designed for compatible 21 inch and 30 inch vacuum applications and includes two large wheels. A replacement set like this is useful because it helps restore key rolling components on the vacuum head when the larger wheels have worn or need to be replaced as a pair. Replacing matched wheels together can help maintain more even handling and reduce the inconsistency that can come from pairing one new wheel with