{"product_id":"tecmark-pressure-switch-3903","title":"Tecmark Pressure Switch 3903","description":"\u003cp\u003eThe Tecmark 3903 pressure switch is a reliable SPST (single pole, single throw) replacement part designed for spa and hot tub chemical dosing systems. This precision switch operates at 1-5 PSI pressure range with 1 amp capacity and features standard 1\/8\" NPT threading for universal compatibility with most spa chemical feeders and sanitizer systems.\u003c\/p\u003e\u003cp\u003eBuilt to Tecmark's exacting OEM standards, this pressure switch ensures your spa's chemical automation works flawlessly. At Bubbles Supply, we guarantee this is the exact fit for your system and back it with our 1-year warranty. Most orders ship same day from our Canadian warehouse. Before installation, verify your existing switch's pressure range and electrical specifications match the 1-5 PSI and 1 amp ratings to ensure proper chemical system operation.\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-3903-bp\"\u003eTecmark Pressure Switch 3903-BP\u003c\/a\u003e\u003c\/li\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=\"\/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":50249030467941,"sku":"3903","price":50.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/tecmark-pressure-switch-3903-3903-1_8c8fa5e7-f39a-4fef-9d76-efa2e72e09ed.jpg?v=1779741584","url":"https:\/\/checkout.bubblessupply.com\/products\/tecmark-pressure-switch-3903","provider":"Bubbles Supply","version":"1.0","type":"link"}