![Tecmark Pressure Switch [SPNO 25A Plastic] (3113P) presairtrol 18V 10Ah configuration](https://cdn.shopify.com/s/files/1/1751/9347/files/47-319-3012_XL.jpg?v=1777962214)
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18V 10Ah configuration
Useful for retrofit and custom cabinet applications
Submersible pumps help move water in compatible low-flow or specialty applications where the pump operates while submerged
This cartridge helps remove dirt
or related control functions
Tecmark Pressure Switch [SPNO 25A Plastic] (3113P) presairtrol 18V 10Ah configurationTecmark Pressure Switch [SPNO 25A Plastic] (3113P) is a Tecmark replacement pressure switch used in compatible spa and hot tub control systems. Pressure switches help monitor water flow or pressure conditions so equipment can operate with the intended safety logic and control response. A failing or mismatched pressure switch can contribute to heating errors, equipment interruptions, or unreliable system operation. This replacement is intended for