--- product_id: 191026332 title: "HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v" brand: "hqrp" price: "195.85 DT" currency: TND in_stock: true category: "Hqrp" url: https://www.desertcart.tn/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest store_origin: TN region: Tunisia --- # 40VA high power output 120V-240V universal input Easy wall-mount installation HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v **Brand:** hqrp **Price:** 195.85 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power your smart home like a pro—never settle for less! ## Quick Answers - **What is this?** HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v by hqrp - **How much does it cost?** 195.85 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest) ## Best For - hqrp enthusiasts ## Why This Product - Trusted hqrp brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Reliable & Efficient:** Built with UL certification and high efficiency to ensure safe, consistent power delivery that keeps your smart devices humming. - • **Effortless Installation:** Designed for quick screw-down or clamp mounting—get your system up and running without hassle or extra tools. - • **Future-Proof Your Setup:** Supports 120V-240V input, making it adaptable for various home electrical standards and ready for any upgrade. - • **Power Up Multiple Devices:** Robust 24V AC output powers several thermostats and doorbells simultaneously—never worry about underpowered setups again. - • **Universal Smart Home Compatibility:** Seamlessly supports Nest, Ecobee, Honeywell, Sensi thermostats plus all Ring and Nest doorbell versions for ultimate smart home integration. ## Overview The HQRP 120V-240V to 24V 40VA Transformer is a versatile, UL-certified power adapter designed to deliver reliable 24V AC power to multiple smart thermostats and doorbells simultaneously. Compatible with leading brands like Nest, Ecobee, Honeywell, Sensi, and all Ring doorbell models, it features universal voltage input and easy wall-mount installation, making it the perfect upgrade for any smart home enthusiast seeking dependable performance and seamless integration. ## Description HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v - desertcart.com ## Features - HQRP® Replacement Transformer; POWER UP MULTIPLE THERMOSTATS / DOORBELLS: replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for single or multiple thermostats and doorbells at the same time; - Input: 120V-240V AC; Output: 24V AC; 40VA; UNIVERSAL COMPATIBILITY: this 24v transformer fits for Nest, Ecobee, Honeywell and Sensi smart thermostats; Also compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation; - Safety Features: High Efficiency and Reliability; - EASY TO INSTALL: screw down or threaded clamp to electrical box, simple to wire up; Compatible With: 24V 40VA Transformer compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v Replacement; ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0849RNB6S | | Best Sellers Rank | #273,797 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #118 in Door Bell Transformers | | Brand Name | HQRP | | Customer Reviews | 4.4 4.4 out of 5 stars (210) | | Manufacturer | HQRP | | Maximum Frequency | 60 hertz | | Minimum Frequency | 60 hertz | | Model | 887774401282011 | | Mounting Type | Wall Mount | | Number of Items | 1 | | Part Number | 887774401282011 | | Power Source | Corded Electric | | Specification Met | UL | | UPC | 884667525003 | ## Product Details - **Brand:** HQRP - **Mounting Type:** Wall Mount - **Number of Items:** 1 - **Power Source:** Corded Electric - **Specification Met:** UL ## Images ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v - Image 1](https://m.media-amazon.com/images/I/711UF5KHkxL.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v - Image 2](https://m.media-amazon.com/images/I/41UQeD55p8L.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v - Image 3](https://m.media-amazon.com/images/I/41u2hxbY7JL.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v - Image 4](https://m.media-amazon.com/images/I/51L5LtIXQ9L.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v - Image 5](https://m.media-amazon.com/images/I/41Rq1kTN-XL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Need a 220v transformer for the ring. Will this work for a single ring and chime in the circuit?** A: Hello, It will be appropriate for 220v as well as for the ring. **Q: Will it keep your ring doorbell charged** A: Yes it will. In case of an outage happened, the Ring doorbell still sent messages to your smart phone. **Q: Can i use this to run a 120v fan with a 24vac thermostat?** A: You could run 120v from the source (wall, etc) to the fan power and the transformer input, and the 24v transformer output to the thermostat. **Q: Why black wire is common and white wire is 120v? Is it the white wire is not supposed to be common?** A: Hello, There is a diagram in the picture 6, black wire is common. ## Frequently Bought Together - HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL - OEM Upgraded Replacement for Goodman Furnace Vent Air Pressure Switch B13701-42 - OEM 47-22861-01 Replacement Furnace Limit Switch L350 Compatible with Rheem #47-22861-01 (2) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest](https://www.desertcart.tn/products/191026332-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-14*