{"product_id":"funmit-42002-0024s-stack-flue-sensor-42001-0063s-high-limit-switch-42001-0053s-heater-thermistor-pentair-spa-heater-replacement-parts","title":"Funmit 42002-0024S Stack Flue Sensor, 42001-0063S High Limit Switch \u0026 42001-0053S Heater Thermistor – Pentair Spa Heater Replacement Parts","description":"\u003cdiv\u003e\n\u003ch2\u003eUniversal compatibility for Pentair pool and spa heaters\u003c\/h2\u003e\n\u003cp\u003eReplace worn parts with a cohesive trio designed to work with multiple Pentair models including Sta-Rite, MasterTemp, and Max-E-Therm. This Funmit kit combines a Stack Flue Sensor, a High Limit Switch, and a Heater Thermistor, all engineered to align with your heater's electrical system. While performance can vary by setup, these parts may help sustain steady operation and consistent readings without buying a full unit.\u003c\/p\u003e\n\u003ch3\u003eWhat is included and how each piece helps\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e42002-0024S Stack Flue Sensor\u003c\/strong\u003e — helps monitor vent conditions and may prevent excessive flue gas output up to 500 degrees F; designed for broad operating ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e42001-0063S High Limit Switch\u003c\/strong\u003e — detects high water temperature and can open the heat exchanger outlet to prevent overheating scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e42001-0053S Heater Thermistor\u003c\/strong\u003e — senses water temperature and contributes to safe, controlled heating within -20C to 80C range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality you can rely on\u003c\/h3\u003e\n\u003cp\u003eEach component features stainless steel construction to resist corrosion in humid, equipment-heavy environments. The parts are designed for straightforward installation, with guidance available to video users. They are built to endure typical pool and spa conditions, helping you keep maintenance costs in check when compared with dealer repairs.\u003c\/p\u003e\n\u003ch3\u003eEasy installation and DIY savings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFind a compatible video guide, power down your system, and follow along to replace the trio in minutes.\u003c\/li\u003e\n\u003cli\u003eKeep gloves handy and handle components carefully to protect yourself and the parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for universal compatibility across Pentair Sta-Rite, MasterTemp, and Max-E-Therm pool and spa heaters. Always verify model compatibility before purchasing to ensure a seamless replacement.\u003c\/p\u003e\n\u003ch3\u003eShop with confidence\u003c\/h3\u003e\n\u003cp\u003eFunmit stands behind its parts with a customer-first approach. If you encounter quality concerns, reach out to our support team for prompt assistance. This kit is designed to offer a cost-conscious alternative to OEM replacements while keeping performance in mind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which heater models are compatible with this replacement kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Pentair Sta-Rite, MasterTemp, and Max-E-Therm pool and spa heater electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are installation resources provided?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, guides and video tutorials are available; follow safety steps and power off before replacing parts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Funmit","offers":[{"title":"Default Title","offer_id":48211648446708,"sku":"B09SHH5FHJ","price":41.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/funmit-stack-flue-sensor.jpg?v=1778434709","url":"https:\/\/www.cerapatiogarden.com\/products\/funmit-42002-0024s-stack-flue-sensor-42001-0063s-high-limit-switch-42001-0053s-heater-thermistor-pentair-spa-heater-replacement-parts","provider":"Cera Garden","version":"1.0","type":"link"}