{"product_id":"ms90u-control-pack-x300739","title":"MS90U Control Pack X300739","description":"\u003cp\u003eThe MS90U Control Pack X300739 is a genuine OEM heater control system designed for Master Spa hot tubs. This essential spa component manages your heater operation, ensuring consistent water temperature and resolving common issues like HH (high heat) and OH (overheat) error codes that can shut down your spa.\u003c\/p\u003e\u003cp\u003eBuilt to Master Spa's exact specifications, this control pack delivers the precise fit and performance your spa needs. At Bubbles Supply, we guarantee an exact fit for your system and ship the same day to get you back to relaxing quickly. Every MS90U control pack comes with our comprehensive 1-year warranty for complete peace of mind. For proper operation, ensure this control pack matches your existing Master Spa model number and have a qualified technician handle installation to maintain safe electrical connections.\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\/ms5012u-control-pack-x300736\"\u003eMS5012U Control Pack X300736\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/ms8000-control-pack-x300020\"\u003eMS8000 Control Pack X300020\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/bp501g1-ms50u-control-1040kw-flow-thru-heater-x300732\"\u003eBP501G1 MS50U Control 1.0\/4.0kW Flow Thru Heater X300732\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collection\/control-packs\"\u003eSee all Control Packs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/knowledge\/troubleshooting-your-spa-control-pack\"\u003eTroubleshooting your spa control pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- p11:end --\u003e","brand":"Master Spa","offers":[{"title":"Default Title","offer_id":50249002090853,"sku":"X300739","price":684.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/ms90u-control-pack-x300739-x300739-1.jpg?v=1779739659","url":"https:\/\/checkout.bubblessupply.com\/products\/ms90u-control-pack-x300739","provider":"Bubbles Supply","version":"1.0","type":"link"}