Tecmark TBS310A Air Switch – TDI-851-0310 12' x 18' 5” diameter wet end increases

5” diameter wet end increases head pressure for improved efficiency

it works with both J-hook and bead receiver systems

Please note that four mounting bolts are required for installation but are not included in the kit

the weight ensures the hose stays submerged

Tecmark TBS310A Air Switch – TDI-851-0310 12' x 18' 5” diameter wet end increasesThe Tecmark TBS310A air switch is a dependable component designed for precise on off control in spa and hot tub systems. Its compact build makes it ideal for installations where space is limited without compromising performance. Built for reliability, this switch helps ensure smooth and consistent operation across a range of spa applications. Lightweight construction allows for easy handling and quick integration into existing systems. This Tecmark