--- product_id: 244743170 title: "Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System" brand: "funmit" price: "KD 7.73" currency: KWD in_stock: true url: https://www.desertcart.com.kw/products/244743170-sponsored-ad-42001-0053s-heater-thermistor-stainless-steel-replacement-part store_origin: KW region: Kuwait --- # Universal Compatibility Wide Operating Temp Easy Installation Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System **Brand:** funmit **Price:** KD 7.73 **Availability:** ✅ In Stock ## Summary > 🔥 Upgrade Your Pool Game with Ease! 🔥 ## Quick Answers - **What is this?** Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System by funmit - **How much does it cost?** KD 7.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/244743170-sponsored-ad-42001-0053s-heater-thermistor-stainless-steel-replacement-part) ## Best For - funmit enthusiasts ## Why This Product - Trusted funmit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Design:** Crafted from rust-free stainless steel for long-lasting performance. - • **Seamless Integration:** Perfectly replaces Pentair Sta-Rite models for hassle-free upgrades. - • **Temperature Resilience:** Operates efficiently in a range from -20°C to 80°C. - • **Customer-Centric Assurance:** Shop confidently with our dedicated support and quality guarantee. - • **User-Friendly Installation:** Follow simple online guides for a quick DIY replacement. ## Overview The Funmit 42001-0053S Heater Thermistor is a high-quality stainless steel replacement part designed for Pentair Sta-Rite, MasterTemp, and Max-E-Therm pool and spa heaters. It offers universal compatibility, operates in a wide temperature range, and ensures easy installation, making it an essential upgrade for any pool owner looking to enhance their heating system. ## Description Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System ## Features - UNIVERSAL COMPATIBILITY: 42001-0053S Heater Thermistor Replacement for Pentair Sta-Rite, MasterTemp, Max-E-Therm pool and spa heaters electrical systems - DIRECT REPLACEMENT: Replaces Part No. 42001-0053S. Please double check part # before you buy - PRIME QUALITY: Made of stainless steel, rust free material, easy to install and sturdy to use. Operating temperature from -20°C to 80°C - EASY INSTALLATION: Find a video from Youtube, just take a few minute to replace following the video. Make sure the power is shut off before replacement, and wear work gloves to protect your hands - SHOP WITH CONFIDENCE: Funmit adhere to provide all customers with a simple, streamlined shopping experience of large appliance replacement parts, and prove that we have the highest quality parts and service out there. We stand by our products, and our customers are our focus as a business. If you have any quality problem, please contact Funmit customer service team in time, and we will try our best to solve your problems ## Images ![Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System - Image 1](https://m.media-amazon.com/images/I/61A7N41j1bL.jpg) ![Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System - Image 2](https://m.media-amazon.com/images/I/81mZLd0U5GL.jpg) ![Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System - Image 3](https://m.media-amazon.com/images/I/81lyXSVh9kL.jpg) ![Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System - Image 4](https://m.media-amazon.com/images/I/81XQvUd0DcL.jpg) ![Sponsored Ad - 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System - Image 5](https://m.media-amazon.com/images/I/81reSL+oqSL.jpg) ## Frequently Bought Together - Funmit 42001-0053S Heater Thermistor Stainless Steel Replacement Part for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Elecrical System - Funmit 42001-0063S High Limit Switch Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool/Spa Heater Elecrical System Yellow - Funmit 42002-0024S Stack Flue Sensor Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System SR200 SR333 SR400 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.kw/products/244743170-sponsored-ad-42001-0053s-heater-thermistor-stainless-steel-replacement-part](https://www.desertcart.com.kw/products/244743170-sponsored-ad-42001-0053s-heater-thermistor-stainless-steel-replacement-part) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-18*