{"product_id":"tecmark-pressure-switch-3158-eh","title":"Tecmark Pressure Switch 3158-EH","description":"\u003cp\u003eThe Tecmark 3158-EH pressure switch is a reliable SPST (single pole, single throw) replacement component designed for spa and hot tub chemical feeding systems. This OEM-quality switch operates at 2 PSI activation pressure with a 3-amp rating and features standard 1\/8\" NPT threading for seamless integration into most spa plumbing configurations.\u003c\/p\u003e\u003cp\u003eBuilt to Tecmark's exacting standards, this pressure switch ensures consistent chemical system operation when water flow conditions are met. At Bubbles Supply, we guarantee this is the exact fit for your system and back every purchase with our 1-year warranty plus same-day shipping on in-stock orders. Professional installation is recommended to ensure proper pressure calibration and system safety—always verify your existing switch specifications and plumbing connections before replacement.\u003c\/p\u003e\n\u003c!-- p11:start --\u003e\u003cdiv class=\"related-links\"\u003e\n\u003ch2\u003eRelated parts \u0026amp; guides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/product\/tecmark-pressure-switch-3010\"\u003eTecmark Pressure Switch 3010\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/tecmark-pressure-switch-3015\"\u003eTecmark Pressure Switch 3015\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/tecmark-pressure-switch-3029\"\u003eTecmark Pressure Switch 3029\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collection\/all-parts\"\u003eSee all All Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- p11:end --\u003e","brand":"Tecmark","offers":[{"title":"Default Title","offer_id":50249012117861,"sku":"3158-EH","price":69.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/tecmark-pressure-switch-3158-eh-3158-eh-1.jpg?v=1779740483","url":"https:\/\/checkout.bubblessupply.com\/products\/tecmark-pressure-switch-3158-eh","provider":"Bubbles Supply","version":"1.0","type":"link"}