Rinnai Thermistor Kit

204000032

Status: In Stock

US$51.99

Description

Description

The Rinnai Thermistor Kit, part number 204000032, is a temperature sensing replacement component used in compatible Rinnai heating systems. The thermistor monitors system temperature and sends feedback to the appliance control board so the heater can regulate output and maintain stable operating conditions. Accurate thermal sensing is necessary for proper combustion control and efficient heater performance.

This kit is designed as a direct OEM replacement for worn or malfunctioning thermistors within Rinnai appliances. The sensor detects temperature changes through resistance variation and allows the control system to adjust burner operation accordingly. Installing a correct replacement thermistor helps restore normal system regulation and supports reliable heater operation during regular use.

What’s Included: Thermistor sensor assembly with lead wiring and installation components.

Installation Limits: For use only with compatible Rinnai appliances designed for this thermistor configuration; installation should follow manufacturer service procedures and electrical safety guidelines.

Compatibility: Compatible with selected Rinnai direct vent furnace and heater models including RHFE-431FA series, RHFE-431WTA series, RHFE-556FA series, RHFE-556FTRA series, and RHFE-556WTA series systems.

Features

Features

  • OEM thermistor sensor designed for temperature monitoring in Rinnai heating systems.
  • Provides thermal feedback to the control board for regulating burner operation.
  • Supports stable temperature control within the appliance heat exchange system.
  • Direct replacement component matching original Rinnai thermistor specifications.
  • Compact sensor assembly designed for integration within heater internal components.
  • Wired sensor lead connects to appliance control circuitry for temperature signaling.
  • Used during service repair when original thermistor fails or reports incorrect temperature.

Specifications

Specifications

Product Type: Thermistor temperature sensor kit
Brand: Rinnai
Manufacturer Part Number: 204000032
Application: Temperature sensing component for Rinnai heating appliances
Function: Monitors system temperature and provides feedback to the appliance control system
Compatible Models: RHFE-431FA, RHFE-431WTA, RHFE-556FA, RHFE-556FTRA, RHFE-556WTA series heaters

 

This thermistor sensor helps maintain accurate temperature regulation within compatible Rinnai heating systems.

 

Support

Support

 
Product FAQ

Q. What does the Rinnai 204000032 thermistor do?

A. The thermistor measures temperature within the appliance and sends that information to the control board. The heater uses this feedback to regulate burner operation and maintain consistent heating performance.

Q. Why is a thermistor important in a heating system?

A. The thermistor allows the heater control system to monitor temperature changes. This information ensures that the burner output adjusts properly to maintain safe and efficient operating conditions.

Q. Is the 204000032 thermistor a universal sensor?

A. No. This thermistor is designed specifically for compatible Rinnai appliances. It should only be installed in systems that require this exact manufacturer part number.

Q. When should a thermistor be replaced?

A. Replacement may be required if the heater reports inaccurate temperature readings, fails to regulate heat properly, or if the original sensor becomes damaged or worn during normal operation.

Q. Does replacing the thermistor affect heater efficiency?

A. Installing a properly functioning thermistor allows the control system to maintain accurate temperature readings, which helps the heater regulate output more effectively and operate within normal performance parameters.

Q. Is professional installation required for this thermistor kit?

A. Installation involves accessing internal heater components and connecting the sensor to the appliance wiring. For accurate installation and proper system operation, service procedures should follow manufacturer guidelines.

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