Waterway Flush Air Button [1-1/2" HS x 2" FD] [White] (650-3000) presairtrol When a sensor cable fails

When a sensor cable fails or begins sending unreliable readings

Made for compatible gunite drain applications

0A] [56Y/TB] Spa Motor (B2235) is engineered for pump motors applications

7A] [1S] Circulation Pump (1030056) [6154106-S] is a Balboa Water Group replacement pump engineered for dependable circulation

Seal PS-309 shaft seal

Waterway Flush Air Button [1-1/2" HS x 2" FD] [White] (650-3000) presairtrol When a sensor cable failsThe Waterway 650 3000 flush air button is designed for compatible spa control applications using a 1 1 2 inch hole size and a 2 inch face diameter. A flush style air button is useful because it provides a clean, low profile control surface while still allowing the user to activate connected air operated functions. This style can be especially appealing in spas where a sleek finished look is important and raised controls are less desirable. When the