Swimables | SW-41-053 | Thermistor – Replacement for Pentair 42001‑0053S

Ensure accurate temperature readings with the Swimables SW‑41‑053 thermistor, a direct replacement for Pentair part 42001‑0053S. Compatible with MasterTemp and Max‑E‑Therm heaters, this thermistor maintains optimal heater performance.

Key Features

• OEM Replacement – Directly replaces Pentair part number 42001‑0053S, ensuring compatibility with MasterTemp and Max‑E‑Therm heaters.

• Accurate Temperature Sensing – Measures water temperature within the manifold to regulate heater operation.

• Error Code Resolution – Addresses common error codes such as E‑01, often associated with faulty thermistors.

• Durable Construction – Built to withstand the high temperatures and conditions within pool heater systems.

• Easy Installation – Designed for straightforward replacement; typically requires basic tools for installation.

Product Overview

The Swimables SW‑41‑053 thermistor is an electronic temperature sensor designed to monitor the water temperature within the manifold of Pentair MasterTemp and Max‑E‑Therm heaters. When the inlet water temperature drops below the set point, the thermistor signals the burner controller to activate the combustion air blower, ensuring efficient heater operation.

Over time, thermistors can degrade, leading to inaccurate temperature readings and potential error codes such as E‑01. Replacing a faulty thermistor can restore accurate temperature monitoring and prevent overheating issues.

Installation is straightforward for those with basic mechanical skills. After ensuring the heater is powered off and has cooled, the old thermistor can be removed and the new one installed using basic tools.