Herga Mushroom Air Button w/o Tubing [White] (6439-CZZZ) cleaners A jet internal is useful

A jet internal is useful because it helps control the water pattern through the jet face

Control system for compatible Balboa VS501Z spa applications

The Waterway 640-3497 V Ultra Hi-Flow tall suction assembly is designed for compatible 3-3/4 inch applications and features a 2-3/8 inch hole size

This replacement is especially useful when the original shoulder bolt is corroded

Herga Mushroom Air Button w/o Tubing [White] (6439-CZZZ) cleaners A jet internal is usefulA mushroom air button helps provide pneumatic control activation in a compatible system, and this Herga Electric white version is supplied without tubing using the 6439 CZZZ reference. Air buttons are useful because they allow a remote pneumatic switch action while keeping electrical switching away from the user contact point. This part has practical value because the without tubing configuration is helpful when existing tubing remains serviceable or