---
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"
price: "€ 42.08"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/286196861-220v-240v-on-off-switch-electric-heating-relay-with-built
store_origin: PT
region: Portugal
---

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

**Price:** € 42.08
**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
- **How much does it cost?** € 42.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/286196861-220v-240v-on-off-switch-electric-heating-relay-with-built)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Build:** UL-certified with silver contacts for reliable, long-lasting performance
- • **Instant Activation:** Immediate relay response ensures precise temperature control and ultimate comfort
- • **Wide Operating Range:** Operates flawlessly from -4℉ to 140℉, perfect for any environment
- • **Universal Compatibility:** Seamlessly replaces any brand relay for hassle-free upgrades
- • **Plug & Play Installation:** Mounts easily on your existing junction box—no electrician needed

## Overview

The Briidea Electric Heating Relay is a versatile 220-240V on/off switch featuring a built-in 24V transformer, compatible with both 2-wire and 3-wire 24V thermostats. Designed for quick, tool-free installation on the side of existing junction boxes, it delivers immediate relay activation for superior temperature control. UL-certified and built with durable silver contacts, it operates reliably across a wide temperature range, making it the smart choice for modern HVAC upgrades.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08VRW52NQ |
| Best Sellers Rank | #203,908 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #43 in HVAC Controls |
| Brand | briidea |
| Brand Name | briidea |
| Coil Voltage | 24 Volts |
| Connector Type | Screw |
| Contact Material | Silver |
| Contact Type | Normally Open |
| Customer Reviews | 4.1 out of 5 stars 147 Reviews |
| 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

- Briidea 220V/240V On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat
- Aube Technologies RC840T-240 On/Off Switching Electric Heating Relay with Built-in 24 V Transformer, Black
- Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow

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

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-24*