---
product_id: 375444522
title: "Wireless Room Sensor Thermostat TC Models 3-20-777556"
brand: "harman"
price: "AR$1130093"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/375444522-wireless-room-sensor-thermostat-tc-models-3-20-777556
store_origin: AR
region: Argentina
---

# Wireless freedom Easy install kit Precision temp control Wireless Room Sensor Thermostat TC Models 3-20-777556

**Brand:** harman
**Price:** AR$1130093
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay effortlessly cozy with Harman’s wireless thermostat—because comfort should never be complicated.

## Quick Answers

- **What is this?** Wireless Room Sensor Thermostat TC Models 3-20-777556 by harman
- **How much does it cost?** AR$1130093 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/375444522-wireless-room-sensor-thermostat-tc-models-3-20-777556)

## Best For

- harman enthusiasts

## Why This Product

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

## Key Features

- • **Genuine OEM Assurance:** Authentic Harman part guarantees perfect compatibility and peak performance.
- • **Plug & Play Installation:** No electrician needed—mounting hardware and instructions included for hassle-free setup.
- • **Precision Heating Mastery:** Your stove auto-adjusts heat based on real-time room temperature signals.
- • **Seamless Wireless Control:** Cut the cords, place it anywhere for ultimate heating convenience.
- • **Compact & Lightweight Design:** Sleek white thermostat fits discreetly in any room without bulk.

## Overview

The Harman Wireless Room Sensor Thermostat (Model 3-20-777556) is a genuine OEM accessory designed for select Harman pellet stoves. It offers wireless temperature control with easy installation, enabling your stove to automatically adjust heat output for precise, comfortable indoor environments. Lightweight and compact, it includes mounting hardware and a 90-day manufacturer warranty, delivering reliable, hassle-free heating management made in the USA.

## Description

HARMAN WIRELESS ROOM SENSOR THERMOSTAT Fits Models: ~ Absolute43 ~ Absolute63 ~ Allure50 ~ XXV-TC ~ Accentra Insert 52i-TC Part Numbers: ~ 3-20-777556 Specs: ~ Harman Wireless Room Sensor Thermostat ~ Wireless temperature control anywhere in your home ~ Wireless design, simple installation ~ Genuine Harman OEM Replacement Part ~ Guaranteed Newest Stock ~ Exclusive 90 day manufacturer warranty with our no hassle replacement guarantee ~ Made in the USA

## Features

- OPTIMIZED HEATING CONTROL - This wireless room sensor thermostat is designed to enhance your heating experience with Harman pellet stove models, including Absolute43, Absolute63, Allure50, XXV-TC, and Accentra Insert 52i-TC. Enjoy precise and hassle-free temperature control.
- WIRELESS CONVENIENCE - The wireless design of this thermostat offers a straightforward installation process. Place it anywhere within the room or home for convenient temperature control without complex wiring.
- PRECISION COMFORT - Your Harman pellet stove will automatically adjust its heat output by receiving room temperature signals from the wireless thermostat. This results in a comfortable and precisely controlled indoor environment, regardless of the season or time of day.
- COMPLETE PACKAGE - The Harman wireless room sensor thermostat accessory, including mounting hardware and installation instructions, offers a comprehensive solution for upgrading your heating control.
- GENUINE HARMAN OEM REPLACEMENT - Trust in the authenticity of your replacement part with the genuine Harman OEM designation. Part number 3-20-777556 ensures you're investing in a product that aligns seamlessly with your heating appliance, maintaining the manufacturer's high standards.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HHT |
| Part number | SFP-3-20-777556 |
| Item Weight | 180 g |
| Product Dimensions | 15.24 x 5.08 x 10.16 cm; 180 g |
| Batteries | 2 AAA batteries required. |
| Item model number | 3-20-777556 |
| Color | White |
| Special Features | Temperature Display |
| Specific uses | Pellet Stove Heating Control |
| Included components | thermostat |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |

## Product Details

- **Brand:** Harman
- **Controller type:** Push Button, Remote
- **Special features:** Temperature Display
- **Colour:** White
- **Specific uses for product:** Pellet Stove Heating Control

## Images

![Wireless Room Sensor Thermostat TC Models 3-20-777556 - Image 1](https://m.media-amazon.com/images/I/51lGiI2OA0L.jpg)

## Frequently Bought Together

- Harman Wireless Room Sensor Thermostat, Fits Absolute43, Absolute63, Allure50, XXV-TC, Accentra, Insert 52i-TC, OEM Replacement Part 3-20-777556
- Pellethead Replacement Harman Pellet Igniter 3-20-677200 Upgrade Design 15 fins Incoloy 800 P35i P42i P43 P68 P61A PF100 Advance XXV Accentra Absolute 43 63 BA100
- Harman Room Sensing Thermostat Probe. 3-20-00906

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**Shop now:** [https://www.desertcart.com.ar/products/375444522-wireless-room-sensor-thermostat-tc-models-3-20-777556](https://www.desertcart.com.ar/products/375444522-wireless-room-sensor-thermostat-tc-models-3-20-777556)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-25*