{"product_id":"4037p","title":"Tecmark Pressure Switch [4037P SPST 1\/8\" MPT] (4037P)","description":"\u003cp\u003eTecmark 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.\u003c\/p\u003e\n\u003cp\u003eA failing or mismatched pressure switch can contribute to heating errors, equipment interruptions, or unreliable system operation. This replacement is intended for service situations where the existing switch specifications, connection type, and rating match the part being replaced. Always compare the PSI rating, threading or fitting style, electrical rating, and original part number before installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement Tecmark pressure switch for compatible spa control systems\u003c\/li\u003e\n\u003cli\u003eSupports proper equipment interlock and heater-control operation\u003c\/li\u003e\n\u003cli\u003eUseful when troubleshooting flow, pressure, or heater enable issues\u003c\/li\u003e\n\u003cli\u003eMatch PSI range, connection style, and electrical rating before ordering\u003c\/li\u003e\n\u003cli\u003ePart number 4037P provides a reliable reference for service matching\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tecmark Corporation","offers":[{"title":"Default Title","offer_id":48496669786267,"sku":"4037P","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/47-319-1008_XL.jpg?v=1777962211","url":"https:\/\/www.bathandspaparts.com\/products\/4037p","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}