Pentair Sta-Rite System 2 Spring Check Valve (27001-0130S) tecmarkcorp Tecmark Pressure Switch [4037P SPST

Tecmark Pressure Switch [4037P SPST 1/8" MPT] (4037P) is a Tecmark replacement pressure switch used in compatible spa and hot tub control systems

Designed for compatible pool and spa filtration equipment

or no longer sealing or connecting correctly

Supports cleaner and more dependable wall plumbing installation

Pentair Sta-Rite System 2 Spring Check Valve (27001-0130S) tecmarkcorp Tecmark Pressure Switch [4037P SPSTThis replacement part supports a cleaner, more dependable service outcome when the existing component is worn, missing or difficult to reuse. This component supports reliable repair work and helps keep the pool system operating as intended. Because pool systems rely on tight fits and predictable water movement, using the right replacement helps protect surrounding parts from strain. This item is a practical choice for planned maintenance, leak