--- product_id: 314472552 title: "Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support" price: "€ 31.42" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.gr/products/314472552-replacement-pentair-42001-0053s-heater-thermistor-sensor-for-spa-pool store_origin: GR region: Greece --- # Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support **Price:** € 31.42 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support - **How much does it cost?** € 31.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/314472552-replacement-pentair-42001-0053s-heater-thermistor-sensor-for-spa-pool) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description About Us Wholesale Sensors is a US based Manufacturer that provides affordable, high quality, and reliable OEM replacement parts. We provide simple and affordable solutions to fix commercial and residential appliances. Our goal is to design, develop, and produce replacement parts that save our customers time and money. About Us Wholesale Sensors is a US based Manufacturer that provides affordable, high quality, and reliable OEM replacement parts. We provide simple and affordable solutions to fix commercial and residential appliances. Our goal is to design, develop, and produce replacement parts that save our customers time and money. Pool & Spa Replacement Parts Refrigerator Replacement Parts Oven Replacement Parts ## Features - PRECISE WATER TEMPERATURE MONITORING – Designed to provide accurate temperature readings, ensuring efficient operation of compatible pool and spa heating systems. This sensor helps maintain consistent water temperature, preventing fluctuations that can impact performance. It seamlessly integrates with select Pentair models, offering a reliable solution for maintaining optimal water conditions for a comfortable swimming or spa experience. - COMPATIBLE REPLACEMENT PART – Engineered for select Pentair pool and spa heaters, this thermistor sensor matches the specifications of the original part for a secure and proper fit. Designed for easy integration, it eliminates the need for modifications during installation. Its compact size and precise dimensions allow for seamless compatibility, ensuring the heater continues to function as intended without unnecessary adjustments. - HIGH-QUALITY, CORROSION-RESISTANT MATERIALS – Built with durable stainless steel and corrosion-resistant components, this sensor withstands exposure to pool and spa conditions. It operates effectively within a temperature range of -20°C to 80°C, ensuring dependable performance over time. The high-quality materials help extend the lifespan of heating systems by providing consistent temperature readings, reducing wear on essential components. - SIMPLE INSTALLATION PROCESS – Designed for quick and hassle-free installation, this thermistor sensor allows users to replace worn or damaged sensors without specialized tools. Simply remove the old part and install the new sensor to restore accurate temperature readings. With its secure fit and straightforward installation, it helps maintain the performance of compatible pool and spa heaters with minimal maintenance effort. - MANUFACTURER SUPPORT & WARRANTY – Backed by a 12-month warranty and customer support from a trusted supplier. This replacement sensor meets industry standards for quality and reliability, offering peace of mind when maintaining pool or spa heating systems. With a focus on high-quality materials and precision engineering, it ensures accurate temperature readings and dependable performance for long-term use in various heating applications. ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #54,222 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #795 in Pool & Spa Replacement Parts | | Customer Reviews | 4.7 out of 5 stars 164 Reviews | ## Images ![Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support - Image 1](https://m.media-amazon.com/images/I/71UGv6LbY2L.jpg) ![Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support - Image 2](https://m.media-amazon.com/images/I/71qrwnk+f4L.jpg) ![Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support - Image 3](https://m.media-amazon.com/images/I/817PwkvyONL.jpg) ![Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support - Image 4](https://m.media-amazon.com/images/I/81eb5M3w4iL.jpg) ![Replacement Pentair 42001-0053S Heater Thermistor Sensor for Spa & Pool 12-Month Warranty & USA Support - Image 5](https://m.media-amazon.com/images/I/71C-BQkLXiL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***. on October 7, 2025* ### ⭐⭐⭐⭐⭐ Review *by D***K on September 1, 2025* ### ⭐⭐⭐⭐⭐ Review *by A***N on February 26, 2026* --- ## 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.gr/products/314472552-replacement-pentair-42001-0053s-heater-thermistor-sensor-for-spa-pool](https://www.desertcart.gr/products/314472552-replacement-pentair-42001-0053s-heater-thermistor-sensor-for-spa-pool) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-06-06*