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Tecmark 4037P Replacement Pressure Switch – Hot Tub, 21A SPST, 1/8" MPT

Tecmark 4037P Replacement Pressure Switch – Hot Tub, 21A SPST, 1/8" MPT

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Product Description 

The Tecmark 4037P Replacement Pressure Switch is designed for reliable performance in hot tubs, spas, and pool equipment. Built with durable plastic housing, this switch ensures accurate water pressure monitoring and dependable system control.

  • Model: 4037P
  • Rating: 21A, SPST (Single Pole Single Throw)
  • Connection: 1/8" MPT (Male Pipe Thread)
  • Application: Ideal for hot tubs, spas, and pool systems requiring precise pressure regulation.

This replacement part helps maintain safe operation by activating or deactivating equipment based on water pressure levels. Easy to install and engineered for long-lasting use, it’s a trusted choice for technicians and DIY spa owners alike.