Waterway 1" Top Access Silent Air Control - [1-5/8" HS, 2-9/16" FD] [Scal] [Gray] (660-3567) watercousa The 2 to 1 design

The 2 to 1 design gives this adapter practical flexibility in the right setup

Helps restore a clean and readable control surface

this timer mechanism helps support dependable 24-hour scheduling and stronger long-term control performance

This replacement is especially useful when the original heater is no longer producing consistent heat

Waterway 1" Top Access Silent Air Control - [1-5/8" HS, 2-9/16" FD] [Scal] [Gray] (660-3567) watercousa The 2 to 1 designThe Waterway 660 3567 top access silent air control is designed for compatible spa air systems that use a 1 5 8 inch hole size and a 2 9 16 inch face diameter. This silent style control helps regulate incoming air at the spa surface while offering a more refined operating feel for users who want adjustable airflow without sacrificing a polished presentation. Its gray finish makes it especially appealing in spas with cooler shell tones or coordinated