Waterway 1/2" Straight Nut Air Control [Crescent Handle] [1-5/16" HS, 1-11/16" FD] [White] (660-3300) airsupply Since three are required in

Since three are required in applicable systems

The PresAir Trol threaded stem pressure switch is designed for compatible systems that use a 1/8 inch MPT connection and require an SPDT pressure-activated switch rated at 21 amps

120 volt blower

compare the part number

Designed for compatible Gecko MSP1 applications

Waterway 1/2" Straight Nut Air Control [Crescent Handle] [1-5/16" HS, 1-11/16" FD] [White] (660-3300) airsupply Since three are required inThe Waterway 660 3300 straight nut air control is designed for compatible 1 2 inch spa air control systems using a 1 5 16 inch hole size and a 1 11 16 inch face diameter. Its crescent handle design offers a distinctive look while giving the user a clear grip point for making airflow adjustments. This style is a practical choice when a smaller air control needs to remain easy to operate and visually coordinated with the rest of the spa interior. When