Tecmark Pressure Switch [4037P SPST 1/8" MPT] (4037P) NuWhirl A four-button topside panel is

A four-button topside panel is often the right balance between simplicity and everyday control

and PJAN85-PAK4 compatibility

Threaded DPDT latching air switch from Herga Electric

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

Tecmark Pressure Switch [4037P SPST 1/8" MPT] (4037P) NuWhirl A four-button topside panel isTecmark 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