Tecmark 3902 Universal Pressure Switch W/O Brass Fittings (3902) tecmarkcorp The 2 inch size

The 2 inch size

Installed in the proper spa-light setup

this bezel and actuator component helps support cleaner panel appearance and more dependable everyday control use

When multiple parts of a seat have aged together

Useful when original faceplates are cracked or warped

Tecmark 3902 Universal Pressure Switch W/O Brass Fittings (3902) tecmarkcorp The 2 inch sizeThe 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