---
product_id: 84443211
title: "Harman Room Sensing Thermostat Probe. 3-20-00906"
brand: "pellethead"
price: "€ 45.65"
currency: EUR
in_stock: true
reviews_count: 13
category: "Pellethead"
url: https://www.desertcart.gr/products/84443211-harman-room-sensing-thermostat-probe-3-20-00906
store_origin: GR
region: Greece
---

# 5-foot precision sensor length Plug & play OEM compatibility Made in USA quality Harman Room Sensing Thermostat Probe. 3-20-00906

**Brand:** pellethead
**Price:** € 45.65
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay cozy, stay smart — the thermostat probe that knows your room best!

## Quick Answers

- **What is this?** Harman Room Sensing Thermostat Probe. 3-20-00906 by pellethead
- **How much does it cost?** € 45.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/84443211-harman-room-sensing-thermostat-probe-3-20-00906)

## Best For

- pellethead enthusiasts

## Why This Product

- Trusted pellethead brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Heat Regulation:** Automatically adjusts stove output based on room temperature, maximizing comfort and fuel efficiency.
- • **Seamless OEM Compatibility:** Direct fit with Harman pellet and coal stoves—no guesswork, just plug and play with included connectors.
- • **Hassle-Free 90-Day Warranty:** Confidence backed by a no-nonsense manufacturer warranty—because your comfort deserves reliability.
- • **Durable American Craftsmanship:** Proudly made in the USA with premium materials for long-lasting performance and peace of mind.
- • **Precision 5-Foot Sensor Length:** Optimized for accurate room temperature readings, ensuring your stove runs efficiently in 'Room Temp' mode.

## Overview

The Harman Room Sensing Thermostat Probe is a 5-foot long, OEM replacement sensor designed exclusively for Harman pellet and coal stoves. Made in the USA with premium materials, it ensures precise room temperature monitoring to automatically regulate stove heat output in 'Room Temp' mode. Easy to install with included connectors and backed by a 90-day manufacturer warranty, this probe guarantees reliable, efficient heating performance for a smarter, cozier home.

## Description

Harman Room Air Sensor Thermostat Probe Fits Models: ~ Accentra Cast Freestanding (Accentra FS) ~ Accentra Insert ~ Accentra 52i Fireplace Insert ~ Invincible Insert ~ Invincible RS ~ P35i Fireplace Insert ~ P38, PP38, P38+, PP38+ (For models that have the new style control board - non- turn knobs) ~ P43 ~ PC45 ~ P61A ~ P68 ~ Advance ~ XXV (25th Anniversary Model) ~ DVC 500 Coal Stove Part Numbers: ~ 3-20-00906 Specs: ~ Harman Room Air Sensor Thermostat Probe ~ Measures slightly over 5' in length ~ Works for all the above mentioned Harman Models ~ Includes connectors for direct installation ~ This probe regulates the stoves heat output based on temperature setting while operating in 'Room Temp' Mode. Placement of the probe is important. Do not have on cold floors, by drafty areas or where direct sunlight can effect it. We recommend coiling the probe up and letting it rest on the back of the stove. For insert models - place to the side of the unit 2-5ft up on the wall. ~ Genuine Harman OEM Replacement Part ~ Guaranteed Newest Stock ~ Exclusive 90 day manufacturer warranty with our no hassle replacement guarantee ~ Made in the USA

Review: Works for harman pellet stove - Fixed my pellet stove. Wouldnt run above idle and quit. Found one of the wires at the end broken. Works great now!
Review: Exactly what I needed for my old stove - Easy to install, good price for original accessory, and improved my stove performance when using temperature mode

## Features

- New Harman Room Temperature Probe
- 5 foot long room sensor for Harman Pellet and Coal stoves
- This comes with female end, if you need male connectors you will need to switch them.
- 90 Day Warranty from Manufacture
- Made in the USA - Guaranteed Best Price

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07HJG611C |
| Backlight | No |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #518,809 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #362 in Fireplace Replacement Parts |
| Brand | Pellethead |
| Color | Black |
| Connectivity Protocol | Wi-Fi |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Button Control |
| Controller Type | Push Button |
| Customer Reviews | 4.7 4.7 out of 5 stars (342) |
| Date First Available | June 4, 2015 |
| Display Type | lcd or led |
| Included Components | Room sensing thermostat probe and connectors |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 1.76 ounces |
| Item model number | 3-20-00906 |
| Manufacturer | Harman |
| Material | Copper, Brass or Alloy Steel |
| Model Name | Harman |
| Mounting Type | Wall Mount |
| Package Dimensions | 5.43 x 4.02 x 0.83 inches |
| Part Number | CECOMINOD058471 |
| Power Source | Corded Electric |
| Shape | Rectangular |
| Special Feature | Room Temperature Sensing |
| Special Features | Room Temperature Sensing |
| Specific Uses For Product | Room Temperature Sensor for Harman Pellet and Coal Stoves in 'Room Temp' or 'Automatic' Mode |
| Style | Modern |
| Temperature Control Type | Automatic |
| UPC | 810004060531 |
| Voltage | 120 Volts |

## Product Details

- **Brand:** Pellethead
- **Color:** Black
- **Controller Type:** Push Button
- **Model Name:** Harman
- **Special Feature:** Room Temperature Sensing

## Images

![Harman Room Sensing Thermostat Probe. 3-20-00906 - Image 1](https://m.media-amazon.com/images/I/61C39yZCtvL.jpg)

## Questions & Answers

**Q: What size is it?**
A: Model xxv

**Q: Is it compatible with a Harmon Absolute63?**
A: Mine only has two female wires that you push on. If yours is the same you should be fine.

**Q: Hi, does this work with a Harman P68?**
A: Per the Product Description it supports the P68 stove.

**Q: We have a p38+ with turn style knobs. Which probe should we purchase? Thanks.**
A: Yes, I believe all the Harman stoves use this probe.  You may have to change the end is all and I think this company offers both models.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works for harman pellet stove
*by D***K on November 13, 2025*

Fixed my pellet stove. Wouldnt run above idle and quit. Found one of the wires at the end broken. Works great now!

### ⭐⭐⭐⭐⭐ Exactly what I needed for my old stove
*by C***M on January 10, 2026*

Easy to install, good price for original accessory, and improved my stove performance when using temperature mode

### ⭐⭐⭐⭐⭐ Fast delivery and it works
*by E***H on December 2, 2025*

Got it fast , and it worked perfect. I have heat again!

## Frequently Bought Together

- Harman Room Sensing Thermostat Probe. 3-20-00906
- Harman Heatilator Red ESP Thermistor Probe for Models After 2008 Absolute 43 63 Accentra 52i Accentra Cast Allure DVC500 HF60 Invincible P35i P38 P43 P61 P61A P68 PC45 PB105 PF100 PF120 XXV 3-20-00844
- Harman Heatilator Black ESP Thermistor Probe, Fits Pellet Stoves, Coal One Year Warranty, Replacement Part # 3-20-00744

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-04-25*