Description
Overview
The HTP 91532 NTC Thermistor (TSD00AM) is a genuine OEM replacement temperature sensor engineered for use in HTP boilers and water heating systems. NTC (Negative Temperature Coefficient) thermistors are critical components in modern hydronic and domestic hot water equipment, providing accurate real-time temperature feedback to the system control board to ensure safe, efficient, and reliable operation.
Key Features
- Genuine HTP OEM replacement part — ensures proper fit and compatibility
- NTC (Negative Temperature Coefficient) thermistor technology for accurate, responsive temperature sensing
- Designed for integration with HTP boiler and water heater control systems
- Maintains precise temperature monitoring to support system efficiency and safety
- Direct drop-in replacement minimizes installation time and complexity
- Durable construction built to withstand the demands of hydronic heating environments
Application
This thermistor is intended as a direct replacement for failed or degraded temperature sensors in compatible HTP heating equipment. Proper temperature sensing is essential for accurate modulation, high-limit protection, and overall system control. Using a genuine OEM part ensures the control board receives the correct resistance-to-temperature signal curve, maintaining system performance and warranty compliance.
Why Choose Genuine OEM?
Aftermarket sensors may not match the exact resistance curve required by HTP control boards, potentially leading to inaccurate readings, nuisance faults, or unsafe operation. The HTP 91532 TSD00AM thermistor is manufactured to OEM specifications, giving technicians confidence in every installation.







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