{"product_id":"thermostatic-shower-valve-cartridge-brass-bath-mixer-repair-kit","title":"Thermostatic Shower Valve Cartridge | Brass Bath Mixer Repair Kit","description":"\n\u003ch2\u003eRestore Perfect Temperature Control to Your Shower or Bath\u003c\/h2\u003e\n\u003cp\u003eKeep your shower running smoothly with this premium \u003cstrong\u003eThermostatic Shower Valve Cartridge\u003c\/strong\u003e. Crafted from solid brass and engineered to deliver consistent water temperature, this replacement spool core is the ideal fix when your mixer tap starts fluctuating between hot and cold. Designed for straightforward DIY installation — no drilling required — this cartridge slips directly into your existing thermostatic faucet housing and tightens in place for a secure, long-lasting fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Brass Construction:\u003c\/strong\u003e Full brass\/copper body paired with durable plastic and alloy components ensures strength, corrosion resistance, and years of reliable use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Temperature Range:\u003c\/strong\u003e Operates between 20°C and 48°C (68°F–118°F) with a built-in safety override that defaults to 38°C (100°F), keeping every shower safe and comfortable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy No-Drill Installation:\u003c\/strong\u003e Simply insert the valve core into the faucet body and tighten — no specialist tools or professional plumber needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Thermostatic Compatibility:\u003c\/strong\u003e Designed for use with built-in and exposed thermostatic bath\/shower mixer valves.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Water Temperature:\u003c\/strong\u003e Ideal replacement when your existing mixer experiences temperature instability or inconsistent hot\/cold output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExceptional Value:\u003c\/strong\u003e Manufactured with quality and longevity in mind, giving you a cost-effective alternative to full valve replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermostatic Valve Cartridge \/ Spool\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrass \/ Plastic \/ Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20°C – 48°C (68°F – 118°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety Override\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38°C (100°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x Thermostatic Spool\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Thermostatic Spool \/ Valve Cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual colour may vary slightly from images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow minor measurement tolerances for stated dimensions.\u003c\/li\u003e\n  \u003cli\u003ePlease verify cartridge dimensions against your existing valve before purchasing to ensure compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5l-handheld-steam-cleaner-touch-screen-1800w-ce-certified\"\u003e1.5L Handheld Steam Cleaner Touch Screen 1800W | CE Certified\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-6l-304-stainless-steel-electric-kettle-auto-shutoff-keep-warm\"\u003e1.6L 304 Stainless Steel Electric Kettle | Auto Shut-Off \u0026amp; Warm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe plumbing practices and water heater temperature settings, visit the \u003ca href=\"https:\/\/www.cdc.gov\/healthywater\/drinking\/private\/wells\/disease\/legionella.html\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCDC Healthy Water resource\u003c\/a\u003e for authoritative information on safe water temperature management in the home.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a thermostatic shower valve cartridge and when should I replace it?\u003c\/h4\u003e\n\u003cp\u003eA: A thermostatic shower valve cartridge (also called a spool or valve core) is the internal component of a thermostatic mixer tap that regulates and maintains a consistent water temperature. You should consider replacing it when your shower or bath mixer begins fluctuating between hot and cold water temperatures, fails to hold a set temperature, or the handle becomes stiff and hard to operate.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this thermostatic cartridge easy to install at home?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — installation is designed to be straightforward and DIY-friendly. No drilling is required. Simply turn off your water supply, remove the old cartridge from the faucet body, insert this replacement brass spool, and tighten securely. Always refer to your mixer valve manufacturer's guide for model-specific steps.\u003c\/p\u003e\n\u003ch4\u003eQ: What temperature does the built-in safety override set this cartridge to?\u003c\/h4\u003e\n\u003cp\u003eA: This thermostatic valve cartridge features a safety override that defaults to 38°C (100°F), a comfortable and safe temperature for most household shower and bath use. The full operational range is 20°C to 48°C (68°F to 118°F).\u003c\/p\u003e\n\u003ch4\u003eQ: Will this cartridge fit my existing shower mixer valve?\u003c\/h4\u003e\n\u003cp\u003eA: This cartridge is designed to be compatible with a wide range of built-in and exposed thermostatic bath\/shower mixer valves. However, thermostatic cartridges vary by manufacturer and model. We recommend measuring your current cartridge dimensions carefully and comparing them to this product before purchasing to ensure a proper fit.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a thermostatic shower valve cartridge and when should I replace it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A thermostatic shower valve cartridge (also called a spool or valve core) is the internal component of a thermostatic mixer tap that regulates and maintains a consistent water temperature. You should consider replacing it when your shower or bath mixer begins fluctuating between hot and cold water temperatures, fails to hold a set temperature, or the handle becomes stiff and hard to operate.\"}}, {\"@type\": \"Question\", \"name\": \"Is this thermostatic cartridge easy to install at home?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — installation is designed to be straightforward and DIY-friendly. No drilling is required. Simply turn off your water supply, remove the old cartridge from the faucet body, insert this replacement brass spool, and tighten securely. Always refer to your mixer valve manufacturer's guide for model-specific steps.\"}}, {\"@type\": \"Question\", \"name\": \"What temperature does the built-in safety override set this cartridge to?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This thermostatic valve cartridge features a safety override that defaults to 38°C (100°F), a comfortable and safe temperature for most household shower and bath use. The full operational range is 20°C to 48°C (68°F to 118°F).\"}}, {\"@type\": \"Question\", \"name\": \"Will this cartridge fit my existing shower mixer valve?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This cartridge is designed to be compatible with a wide range of built-in and exposed thermostatic bath\/shower mixer valves. However, thermostatic cartridges vary by manufacturer and model. We recommend measuring your current cartridge dimensions carefully and comparing them to this product before purchasing to ensure a proper fit.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home \u0026 Living\", \"item\": \"https:\/\/oasis-select.com\/collections\/home-living\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Thermostatic Shower Valve Cartridge | Brass Bath Mixer Repair Kit\", \"item\": \"https:\/\/oasis-select.com\/products\/thermostatic-shower-valve-cartridge-brass-bath-mixer-repair-kit\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"H-1 valve core \/ China Mainland","offer_id":47746287501417,"sku":"14:29#H-1 valve core;200007763:201336100","price":67.28,"currency_code":"USD","in_stock":true},{"title":"H3 \/ China Mainland","offer_id":47746287534185,"sku":"14:366#H3;200007763:201336100","price":67.28,"currency_code":"USD","in_stock":true},{"title":"H5 \/ China Mainland","offer_id":47746287566953,"sku":"14:200002984#H5;200007763:201336100","price":67.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S0b00b33dc6654ff0b5845a593dbbcb79T.webp?v=1783055976","url":"https:\/\/oasis-select.com\/products\/thermostatic-shower-valve-cartridge-brass-bath-mixer-repair-kit","provider":"Oasis Select","version":"1.0","type":"link"}