---
product_id: 286196861
title: "220V 240V On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat"
brand: "briidea"
price: "₩75948"
currency: KRW
in_stock: true
category: "Briidea"
url: https://www.desertcart.kr/products/286196861-220v-240v-on-off-switch-electric-heating-relay-with-built
store_origin: KR
region: South Korea
---

# 240V max switching power Built-in 24V transformer Side-mount easy install 220V 240V On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat

**Brand:** briidea
**Price:** ₩75948
**Availability:** ✅ In Stock

## Summary

> 🔥 Upgrade your HVAC game with instant power and effortless install!

## Quick Answers

- **What is this?** 220V 240V On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat by briidea
- **How much does it cost?** ₩75948 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/286196861-220v-240v-on-off-switch-electric-heating-relay-with-built)

## Best For

- briidea enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Reliable:** UL certified with silver contacts for long-lasting, efficient performance
- • **Instant Activation:** Immediate relay response ensures precise temperature control and ultimate comfort
- • **Universal Compatibility:** Seamlessly replaces any brand relay for hassle-free upgrades
- • **Plug & Play Installation:** Mounts effortlessly on your junction box—no electrician needed
- • **Versatile Wiring Support:** Works flawlessly with both 2-wire and 3-wire 24V thermostats

## Overview

The Briidea Electric Heating Relay is a UL-certified, universal replacement relay featuring a built-in 24V transformer compatible with 2-wire and 3-wire 24V thermostats. It supports up to 240V switching voltage, activates instantly for precise temperature control, and mounts easily on the side of existing junction boxes, making it the smart choice for professional-grade HVAC upgrades.

## Description

Product Description:Compatible with a 2-wire and 3-wire thermostat, this all-in-one relay includes a built-in 24V transformer, replacement for any brand relay. Compatible with 24V thermostats with 3-wire connections (R, W, C) or 2-wire connections (R, W). Immediate relay activation provides improved temperature control and comfort. Easy to Install, merely mounted it on the side of the existing junction box and attached the wires from the new thermostat.Specifications:Transformer Ratings: 24 VAC/ 1.2VA/ Class 2Ambient Operating Temperature: -4℉ to 140℉ (-20℃ to 60℃)Ambient Storage: -40℉ to 175℉ (-40℃ to 80℃)Humidity Limits: 0 to 95% non-condensingTerminal Wire Size: 12 AWG

## Features

- ★ Replacement for any brand relay
- ★ Built-in 24V transformer
- ★ Compatible with 24V thermostats with 3-wire connections (R, W, C) or 2-wire connections (R, W)
- ★ Immediate relay activation provides improved temperature control and comfort
- ★ Easy to install, merely munted it on the side of existing junction box and attached the wires from the new thermostat

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08VRW52NQ |
| Best Sellers Rank | #393,967 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #325 in HVAC Controls |
| Brand Name | briidea |
| Coil Voltage | 24 Volts |
| Connector Type | Screw |
| Contact Material | Silver |
| Contact Type | Normally Open |
| Customer Reviews | 4.1 4.1 out of 5 stars (149) |
| Manufacturer | briidea |
| Maximum Switching Voltage | 240 Volts |
| Minimum Switching Voltage | 24 Volts (DC) |
| Mounting Type | Side of Junction Box Mount |
| Operation Mode | Electric |
| Specification Met | UL |
| Wattage | 1.2 watts |

## Product Details

- **Brand:** briidea
- **Connector Type:** Screw
- **Contact Material:** Silver
- **Contact Type:** Normally Open
- **Mounting Type:** Side of Junction Box Mount

## Images

![220V 240V On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat - Image 1](https://m.media-amazon.com/images/I/61Z9WTqnopL.jpg)

## Questions & Answers

**Q: I have 20A, 240v breaker for pool pump. Can I use this w a smart light switch rated for 120v?**
A: This relay is only rated for 24v

**Q: Is this item UL listed?**
A: No

**Q: Is the bridea electric heating relay ul approved?**
A: There is indication that it is, but I could be wrong.

**Q: Can this be used to change 120v line voltage thermostat to new 24v low voltage thermostat?**
A: Yes, it transforms 120v down to 24v for low voltage thermostat.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.kr/products/286196861-220v-240v-on-off-switch-electric-heating-relay-with-built](https://www.desertcart.kr/products/286196861-220v-240v-on-off-switch-electric-heating-relay-with-built)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-07-20*