Tecmark 3902 Universal Pressure Switch W/O Brass Fittings (3902) tecmarkcorp Installed in the proper spa-light

Installed in the proper spa-light setup

A silicone tube helps support sealing and maintenance work where a flexible silicone material is needed in a smaller hand-applied format

A fitting like this is useful because it helps establish the return connection while also providing the retention and sealing needed for a cleaner

better alignment

Tecmark 3902 Universal Pressure Switch W/O Brass Fittings (3902) tecmarkcorp Installed in the proper spa-lightThe Tecmark 3902 universal pressure switch is designed for compatible applications where a flexible replacement pressure switch is needed and brass fittings are not included. Universal switches are useful because they can simplify service when the system requires a broadly compatible pressure sensing solution. This replacement is especially useful when the original switch is unreliable, no longer sensing pressure correctly, or has failed and a