{"product_id":"heater-split-nut-0121108015","title":"Heater Split Nut 0121108015","description":"\u003cp\u003eThe Magic Plastics Heater Split Nut 0121108015 is a genuine OEM replacement part designed for spa heater unions with 1-1\/2\" FBT connections and large flange configurations. This critical component creates a secure, watertight seal between heater elements and plumbing, preventing costly leaks and maintaining optimal water flow through your spa's heating system.\u003c\/p\u003e\u003cp\u003eEngineered to Magic Plastics' exact specifications, this split nut delivers the precise fit and durability your spa demands. At Bubbles Supply, we guarantee an exact fit for your heater assembly, back every part with a full 1-year warranty, and ship same-day to get your spa running fast. The large flange design provides enhanced stability and sealing performance compared to standard unions. Always verify your existing heater union size and thread type before ordering to ensure proper fitment.\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\/heater-split-nut-012110802\"\u003eHeater Split Nut 012110802\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/heater-split-nut-0121108025\"\u003eHeater Split Nut 0121108025\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/heater-split-nut-415-4051\"\u003eHeater Split Nut 415-4051\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collection\/plumbing-seals\"\u003eSee all Plumbing \u0026amp; Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/knowledge\/why-your-hot-tub-jets-are-weak\"\u003eWhy your hot tub jets are weak\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- p11:end --\u003e","brand":"Magic Plastics","offers":[{"title":"Default Title","offer_id":50249007759717,"sku":"0121108015","price":5.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/heater-split-nut-0121108015-0121108015-1.jpg?v=1779740143","url":"https:\/\/checkout.bubblessupply.com\/products\/heater-split-nut-0121108015","provider":"Bubbles Supply","version":"1.0","type":"link"}