Wholesale Sensors | Pentair 520272 Replacement Temperature Sensor with 20ft Cable – 12 Month Warranty

Premium OEM-Grade Temperature Sensor for Pentair Systems

Upgrade or restore your pool automation with the Pentair 520272 replacement temperature sensor from Wholesale Sensors. This OEM-style part features a 10k-ohm thermistor housed in a rugged body and comes with a generous 20-foot cable for flexible placement. Its design emphasizes rapid response and steady readings, helping your pool equipment make informed decisions about heating, cooling, and protection against freezing weather.

Designed as a direct replacement, this sensor is engineered to drop into compatible Pentair and Compool setups without rewiring or recalibration in many cases. It’s specifically crafted to work with modern Pentair controls while also aligning with legacy configurations, providing a practical upgrade path for both professionals and DIY enthusiasts. The result is more consistent data for your logic board and a smoother overall control experience.

Compatibility, Installation, and Reliability

• DIRECT OEM REPLACEMENT & CROSS-REFERENCE – A precise 10k-ohm thermistor designed to replace Pentair 520272 and 520872, and compatible with legacy Compool TS5T/STS5T models.
• UNIVERSAL COMPATIBILITY FOR PENTAIR SYSTEMS – Fits IntelliCenter, IntelliTouch, EasyTouch (PS4/PSL4), and SunTouch control platforms; also suitable for certain Pentair heater models like MiniMax Plus variants.
• RELIABLE TEMPERATURE SENSING – Functions as water, air, or solar sensor to support heater cycles and freezing protection logic, with consistent readings across environmental conditions.

Construction highlights include a heavy-duty, UV-resistant 20-foot cable with bare-wire leads ready for a secure motherboard connection. The thermistor is encapsulated in a high-thermal-conductivity housing to deliver fast response times and accuracy over a wide operating range, even in pool chemicals and outdoor settings.

What You Get and Warranty

• OEM-style temperature sensor built to meet replacement standards, with a robust build designed for saltwater and outdoor exposure.
• 12-month warranty backed by Wholesale Sensors with USA-based support to assist with installation or compatibility questions.

While this replacement is designed for straightforward installation, outcomes can vary with system configuration. Consider it a practical option to restore sensor performance and reduce common read errors, with the potential for improved automation behavior and better alignment between sensing data and control decisions.