The Tecmark 3028 pressure switch is designed for compatible applications that use a single-pole normally open switch rated at 25 amps with a 1/8 inch barb connection. Pressure switches like this are useful because they help the system respond only when the expected pressure condition is present.This replacement is especially useful when the original switch no longer reacts correctly, causes intermittent equipment response, or fails to sense pressure dependably. The barb-style connection also helps preserve the original hose-based installation format.It is a practical service item when restoring pressure-sensitive switching is part of bringing a compatible heater or control system back into reliable operation. Tecmark 3028 SPNO pressure switch 25 amp rated with 1/8 inch barb connection Helps restore pressure-based switching in compatible systems Useful when the original switch is unreliable or failed Supports more dependable equipment response
![Tecmark 3028 Pressure Switch [25A] [SPNO] [1/8" Barb] (3028)](https://cdn.shopify.com/s/files/1/1751/9347/products/47-319-1025_xl.jpg?v=1486196801&width=480)
![Tecmark 3028 Pressure Switch [25A] [SPNO] [1/8" Barb] (3028)](https://cdn.shopify.com/s/files/1/0574/4014/1354/products/47-319-1025_xl.jpg?v=1769976096&width=480)
