Tecmark Pressure Switch [4037P SPST 1/8" MPT] (4037P) NuWhirl Installing the correct Pentair/Sta-Rite basket

Installing the correct Pentair/Sta-Rite basket can help restore dependable trap function and improve routine maintenance at the pump

OEM Pentair iS4 topside panel

this foam washer helps restore cleaner valve support and contributes to a more dependable repair overall

O-rings can flatten

Supports cleaner and more dependable chlorinator operation

Tecmark Pressure Switch [4037P SPST 1/8" MPT] (4037P) NuWhirl Installing the correct Pentair/Sta-Rite basketTecmark Pressure Switch [4037P SPST 1 8" MPT] (4037P) 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