20478373 Thermistor With Long Wire Room Temp. 20' FT Zoom

Toyotomi Thermistor

20478373

Models: Laser 30, Laser 56, Laser 73, Laser 73AT, NS-2700-2, OM-22, Laser 60AT, Laser 23 (E), Laser 30 (BK), Laser 300, Laser 300 (GR), Laser 301, Laser 302, Laser 303, Laser 304, Laser 530, Laser 531, Laser 532, Laser 533, Laser 534, Laser 560, Laser 730, Laser 730AT, Laser 731, Laser 732, Laser 733, Laser 734

Status: In Stock

US$25.99

Description

Description

The Toyotomi Room Temperature Thermistor, part number 20478373, is a replacement temperature sensor designed for use across all Toyotomi vented heater models. This thermistor monitors room temperature and relays accurate readings to the heater’s control system, helping regulate burner operation and maintain consistent, safe heating performance when the original sensor is faulty or out of calibration.

What’s included: one replacement room temperature thermistor.

Installation limits: the thermistor must be installed according to the heater manufacturer’s service instructions. The heater must be powered off before service, and the sensor must be positioned and connected exactly as specified to ensure accurate temperature readings and proper heater operation.

Compatibility: Compatible with all Toyotomi vented heater models that use a room temperature thermistor sensor.

Features

Features

  • OEM Toyotomi room temperature thermistor
  • Measures and monitors ambient room temperature
  • Provides temperature input to the heater control system
  • Supports accurate heat regulation and comfort control
  • Direct replacement for failed or inaccurate temperature sensors
  • Designed for use across all compatible Toyotomi heater models

Specifications

Specifications

Product Type: Room Temperature Thermistor
Brand: Toyotomi
Manufacturer Part Number: 20478373
Application: Heater temperature sensing system
Function: Measures room temperature for heater control
Compatible Models: All Toyotomi vented heater models

 

Accurate room temperature sensing is essential for stable heater control, comfort regulation, and safe operation.

 

Support

Support

   
Product FAQ

What does the Toyotomi 20478373 thermistor do?

It measures room temperature and sends that information to the heater’s control system.

Is this an original Toyotomi replacement part?

Yes. The 20478373 is an OEM Toyotomi room temperature sensor.

Which heaters are compatible with this thermistor?

It is compatible with Toyotomi heater models that use a room temperature thermistor sensor.

Is this part used for new heater installations?

No. It is intended as a replacement part for existing Toyotomi heaters.

Can a faulty thermistor affect heater operation?

Yes. Incorrect temperature readings can impact heater cycling and comfort control.

Should power be disconnected before replacing this sensor?

Yes. Electrical power should be disconnected before servicing heater components.

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