Tecmark Pressure Switch [Balboa 2 PSI] (3903-EADE) poolguard A properly selected Matrix treatment

A properly selected Matrix treatment product contributes to more intentional water-care routines and easier service planning

The HPX11023564 is a practical replacement for compatible Hayward HeatPro heaters that need renewed fan-motor performance and cleaner long-term operation

Helps support easier service access

A leaf trap like this is useful because it helps catch larger debris before it reaches downstream cleaner or suction components

Tecmark Pressure Switch [Balboa 2 PSI] (3903-EADE) poolguard A properly selected Matrix treatmentTecmark Pressure Switch [Balboa 2 PSI] (3903 EADE) 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