Tecmark Air Switch [TBS306 SPNO 25A Thd 90°] (TBS306A) watertestkits Improves comfort and heating-system confidence

Improves comfort and heating-system confidence

This type of part is especially useful when the original filter cartridge has become worn out

This generic hose bib is a smart choice when a direct-compatible 3/4 inch MPT outlet fitting is needed

A complete suction assembly like this is useful because it restores the visible and functional suction fitting in one matched replacement

A faceplate like this is useful because it helps finish and secure the visible opening at the fitting location

Tecmark Air Switch [TBS306 SPNO 25A Thd 90°] (TBS306A) watertestkits Improves comfort and heating-system confidenceTecmark Air Switch [TBS306 SPNO 25A Thd 90] (TBS306A) is a Tecmark air switch for compatible pneumatic control systems used in spa, bath, pool, and equipment applications. Air switches respond to pressure from an air button and convert that signal into electrical switching for supported devices. This latching switch is useful when a pump, blower, light, or other controlled device no longer responds correctly to the air button. Because switch ratings