---
product_id: 644361107
title: "Kidde Wiring Adapter for Hardwired Smoke & Combination Detectors, 20-9003"
brand: "kidde"
price: "62 Lei"
currency: RON
in_stock: true
category: "Kidde"
url: https://www.desertcart.ro/products/644361107-kidde-wiring-adapter-for-hardwired-smoke-and-combination-detectors-20
store_origin: RO
region: Romania
---

# Quick-connect tech Compact 2.66-inch fit No rewiring needed Kidde Wiring Adapter for Hardwired Smoke & Combination Detectors, 20-9003

**Brand:** kidde
**Price:** 62 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your home safety in a snap—no rewiring, no worries!

## Quick Answers

- **What is this?** Kidde Wiring Adapter for Hardwired Smoke & Combination Detectors, 20-9003 by kidde
- **How much does it cost?** 62 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/644361107-kidde-wiring-adapter-for-hardwired-smoke-and-combination-detectors-20)

## Best For

- kidde enthusiasts

## Why This Product

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

## Key Features

- • **Space-Savvy Design:** Slim 2.66-inch length ensures a sleek, flush fit in any mounting bracket.
- • **Decade-Long Assurance:** Backed by a 10-year limited warranty—security that lasts as long as your peace of mind.
- • **Zero Downtime Upgrade:** Replace alarms hassle-free without rewiring your home’s safety system.
- • **Plug & Play Simplicity:** Connects instantly to existing Kidde wire harnesses—no electrician required.
- • **Certified Peace of Mind:** Meets UL 217 & UL 2034 standards with ETL listing for trusted safety compliance.

## Overview

The Kidde 20-9003 Wiring Adapter enables quick, tool-free connection of new Kidde hardwired smoke and combination detectors to existing wiring harnesses. Designed for easy installation without rewiring, it fits compactly within mounting brackets and is rigorously tested to meet UL and ETL safety standards. Ideal for homeowners seeking a fast, reliable upgrade backed by a 10-year warranty.

## Description

Simplify hardwired alarm replacement with the Kidde 20-9003 Adapter for hardwired smoke and combination detectors. This quick-connect adapter links new Kidde hardwired alarms to existing Kidde wire harnesses for fast, hassle-free replacement and upgrades. Designed for easy installation, the adapter plugs directly into the back of the new detector, while the other end seamlessly connects to the existing wire harness—meaning no rewiring is required. This adapter is intended for use with select compatible Kidde detectors only.* Backed by a 10-year limited warranty from the date of purchase, the adapter is ETL Listed and rigorously tested to meet UL 217 10th Edition and UL 2034 5th Edition standards. Perfect for homeowners seeking a simple, dependable way to update residential smoke detection. *Check the User Guide for compatibility

## Features

- QUICK CONNECT ADAPTER: Connects new Kidde hardwired smoke and combination detectors to existing Kidde wire harnesses; for use with select compatible Kidde branded detectors only*
- EASY INSTALLATION: Plugs directly into the back of the new smoke or combination detector for simple setup
- NO REWIRING REQUIRED: Allows for quick, hassle-free alarm replacement
- COMPACT SIZE: Compact 2.66-inch length ensures a flush fit in the mounting bracket
- TESTED AND TRUSTED: Rigorously tested to meet UL 217 10th Edition, UL 2034 5th Edition, and is ETL Listed; includes a 10-year limited warranty from date of purchase

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D5TD3GJF |
| Alarm | Smoke and Combination Alarm Adapter |
| Best Sellers Rank | #805 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Fire Safety |
| Brand | Kidde |
| Built-In Media | Adapter |
| Color | White |
| Customer Reviews | 4.6 out of 5 stars 1,155 Reviews |
| Enclosure Material | Plastic |
| Item Dimensions D x W x H | 2.76"D x 1.66"W x 4.49"H |
| Item Highlight | Wiring Adapter for Hardwired Smoke and Combination Detectors, Easy Installation, No Rewiring, For Homes and Apartments |
| Item Type Name | Adapter |
| Item Weight | 1.12 ounces |
| Manufacturer | Kidde |
| Mfr Part Number | 21032239 |
| Model Number | 20-9003 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Dimensions | 2.76"D x 1.66"W x 4.49"H |
| Product Style | Alarm |
| Sensor Type | Photoelectric |
| Style | Alarm |
| UPC | 047871322398 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 100 °F |

## Product Details

- **Alarm:** Smoke and Combination Alarm Adapter
- **Brand:** Kidde
- **Color:** White
- **Item Weight:** 1.12 ounces
- **Material:** Plastic
- **Power Source:** Corded Electric
- **Product Dimensions:** 2.76"D x 1.66"W x 4.49"H
- **Sensor Type:** Photoelectric
- **Style:** Alarm
- **Upper Temperature Rating:** 100 °F

## Images

![Kidde Wiring Adapter for Hardwired Smoke & Combination Detectors, 20-9003 - Image 1](https://m.media-amazon.com/images/I/712Wxd1CMDL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Kidde Quick Connect Smoke Detector Adapter Plug, Smoke Alarm Wiring Harness, Compatible with Kidde Hardwired Smoke, Carbon Monoxide, & Combination Smoke & Carbon Monoxide Detectors
- Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators
- Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnectable, LED Warning Light Indicators

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**Shop now:** [https://www.desertcart.ro/products/644361107-kidde-wiring-adapter-for-hardwired-smoke-and-combination-detectors-20](https://www.desertcart.ro/products/644361107-kidde-wiring-adapter-for-hardwired-smoke-and-combination-detectors-20)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-09-16*