--- product_id: 622598441 title: "HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell" brand: "hqrp" price: "VT34415" currency: VUV in_stock: false reviews_count: 5 category: "Hqrp" url: https://www.desertcart.vu/products/622598441-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest store_origin: VU region: Vanuatu --- # 40VA power output 120V-240V wide input range Easy screw or clamp installation HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell **Brand:** hqrp **Price:** VT34415 **Availability:** ❌ Out of Stock ## Summary > ⚡ Power your smart home with confidence and ease! ## 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 by hqrp - **How much does it cost?** VT34415 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/622598441-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 - • **Plug & Play Setup:** Effortless installation with screw or threaded clamp mounting—get up and running in minutes. - • **Universal Compatibility:** Works flawlessly with Nest, Ecobee, Sensi, Honeywell thermostats, and all Ring doorbell versions. - • **Power-packed Performance:** Delivers a reliable 24V AC at 40VA for seamless thermostat and doorbell operation. - • **Built for Modern Smart Homes:** Supports HVAC controls, relays, and gas valves—future-proof your smart home ecosystem. - • **Certified Safety & Reliability:** C(UR)US listed for peace of mind with high efficiency and a 1-year warranty. ## Overview The HQRP 120V-240V to 24V 40VA Transformer is a versatile, UL-listed power solution designed for smart thermostats and doorbells. Compatible with top brands like Nest, Ecobee, Honeywell, and Ring, it offers a wide input voltage range and easy installation, backed by a 1-year warranty for reliable, efficient performance in modern HVAC and smart home systems. ## Description HQRP Replacement Transformer; Wide Compatibility This transformer is designed for use in industrial, heating and air conditioning control systems, including thermostats, air conditioning circuits, relays and gas valves or other applications; Input: 120V-208V-240V AC; Output: 24V AC; 40VA; C(UR)US Listed; Safety features: High efficiency and reliability; 1 year warranty! EASY TO INSTALL: screw or threaded clamp on the electric box, easy to wire; Compatible with:24V 40VA transformer, compatible with Nest, Ecobee, Sensi, Honeywell thermostat, Nest Hello doorbell and all versions of the ring doorbell Review: Excelente producto y muy buena calidad - Bonita presentación y muy prácticos y de mucha utilidad Review: Work good ## Features - HQRP Replacement Transformer; Wide Compatibility This transformer is designed for use in industrial, heating and air conditioning control systems, including thermostats, air conditioning circuits, relays and gas valves or other applications; - Input: 120V-208V-240V AC; Output: 24V AC; 40VA; - C(UR)US Listed; Safety features: High efficiency and reliability; - 1 year warranty! - EASY TO INSTALL: screw or threaded clamp on the electric box, easy to wire; Compatible with:24V 40VA transformer, compatible with Nest, Ecobee, Sensi, Honeywell thermostat, Nest Hello doorbell and all versions of the ring doorbell ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0849RNB6S | | Best Sellers Rank | #265,436 in Home Improvement ( See Top 100 in Home Improvement ) #23,414 in Home Improvement Electrical | | Brand | HQRP | | Brand Name | HQRP | | Country of Origin | USA | | Customer Reviews | 4.4 out of 5 stars 195 Reviews | | Included Components | Transformer. | | Item Weight | 0.71 Kilograms | | Manufacturer | HQRP | | Minimum Frequency | 50 Hz | | Model Number | 887774401282011 | | Mounting Type | Wall Mount | | Part Number | 887774401282011 | | Power Source | AC mains | | Power Source Type | AC mains | | Specification Met | CSA, UL | | UPC | 884667525003 | ## Product Details - **Brand:** HQRP - **Item Weight:** 0.71 Kilograms - **Mounting Type:** Wall Mount - **Power Source:** AC mains - **Specification Met:** CSA, UL ## Images ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell - Image 1](https://m.media-amazon.com/images/I/81ti7lf3OmL.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell - Image 2](https://m.media-amazon.com/images/I/81kM2tsqXzL.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell - Image 3](https://m.media-amazon.com/images/I/81ej9juUS6L.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell - Image 4](https://m.media-amazon.com/images/I/81AKaVUM6+L.jpg) ![HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell - Image 5](https://m.media-amazon.com/images/I/71D2lYqcT7L.jpg) ## 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente producto y muy buena calidad *by G***S on 15 April 2023* Bonita presentación y muy prácticos y de mucha utilidad ### ⭐⭐⭐⭐ Work good *by A***H on 6 February 2026* ### ⭐⭐⭐⭐⭐ Perfect Replacement That Saved Me Hundreds *by T***Y on 9 March 2026* ## 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.vu/products/622598441-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest](https://www.desertcart.vu/products/622598441-hqrp-120v-240v-to-24v-40va-transformer-compatible-with-nest) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-17*