Hammerhead Head Wheel Set [21"/30" Vacuum, Large, 2 Pack] (HH1157) h2flow An electric heater provides the

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

This kind of combination part is useful because it restores several key components of the union connection together in one coordinated replacement

The Hayward Super II trap body gasket is designed for compatible pump applications where dependable sealing is needed around the trap body connection

A properly matched Buna-N replacement helps preserve original fit and contributes to a more accurate service result without unnecessary assembly changes

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

Hammerhead Head Wheel Set [21"/30" Vacuum, Large, 2 Pack] (HH1157) h2flow An electric heater provides theThe 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