--- product_id: 403927314 title: "24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell" brand: "eplzon" price: "188.86 DT" currency: TND in_stock: true reviews_count: 9 category: "Eplzon" url: https://www.desertcart.tn/products/403927314-24v-40va-thermostat-and-doorbell-transformer-all-versions-of-ring store_origin: TN region: Tunisia --- # 24V output power UL-certified reliability Easy screw-down installation 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell **Brand:** eplzon **Price:** 188.86 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power your smart home like a pro—never miss a ring or a temp drop! ## Quick Answers - **What is this?** 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell by eplzon - **How much does it cost?** 188.86 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/403927314-24v-40va-thermostat-and-doorbell-transformer-all-versions-of-ring) ## Best For - eplzon enthusiasts ## Why This Product - Trusted eplzon brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Simplicity:** Screw-down and thread clamp design makes installation a breeze—no electrician needed. - • **Universal Compatibility:** Seamlessly supports all Ring Doorbell versions plus Honeywell, Nest, Ecobee, and more. - • **Upgrade Your Smart Home:** Replace underpowered transformers and eliminate power hiccups for a smarter, smoother experience. - • **Power Up with Confidence:** Delivers a steady 24V/40VA output to keep your smart thermostats and doorbells running flawlessly. - • **Certified Safety & Durability:** UL-certified transformer ensures reliable, long-lasting performance you can trust. ## Overview The EPLZON 24V 40VA Thermostat and Doorbell Transformer is a UL-certified, wall-mountable power source delivering consistent 24V output. Designed for easy installation, it supports all Ring Doorbell models and popular smart thermostats like Honeywell, Nest, and Ecobee, ensuring reliable operation and eliminating underpowered device issues. ## Description EPLZON 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - desertcart.com Review: Versatile and Reliable Power Source - I purchased the EPLZON 24V 40VA Transformer primarily for a non-doorbell application: powering my whole-house humidifier. Even though it's marketed heavily toward Ring and thermostat systems, it performed flawlessly for my HVAC accessory needs. The installation was straightforward, and the unit immediately supplied the necessary 24V power. It has been running continuously for weeks, maintaining a steady output with absolutely no operational issues or excessive heat. This 40VA rating provides plenty of headroom for various low-voltage devices. If you need a dependable, high-quality replacement or new installation transformer for any compatible 24V system—whether it’s a smart doorbell, thermostat, or a humidifier like mine—this EPLZON model delivers reliable, consistent performance. Highly recommended for its versatility and flawless function! Review: It’s a win - This is a good product. It replaces the transformer that seems to sit, lonely outside my AC unit with the coils in the fan. The inside part of the central air conditioner. Not the outside part. One little reminder. Turn off the power before you connect it. It turns out if you accidentally touched the two connectors together with a metal screw driver- it doesn’t matter how smart you are. You’re gonna be ordering a new one. I figured I could order four of them and it was still less expensive than an air conditioner guy coming to my house and replacing it. So it’s still a win just win better than me. ## Features - Input :120 VAC, 60 Hz; Output: 24 V/ 40 VA - Powers thermostats and doorbells: replace underpowered transformers - Easy to install: screw down and thread clamps to electrical box - This 24 V transformer fits for Honeywell and Sensi smart thermostats; Nest, Ecobee,Also fit for 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 - This 24 Volt transformer is UL-certified, offers reliable performance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09PG3P1GG | | Best Sellers Rank | #46,213 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Door Bell Transformers | | Brand | EPLZON | | Brand Name | EPLZON | | Customer Reviews | 4.2 out of 5 stars 234 Reviews | | Included Components | 1 | | Item Weight | 0.76 kg | | Manufacturer | EPLZON | | Maximum Frequency | 60 hertz | | Minimum Frequency | 60 hertz | | Model | EP-4011 | | Mounting Type | Wall Mount | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | EP-4011 | | Power Source | Corded Electric | | Specification Met | UL | | UPC | 762917045498 | ## Product Details - **Brand:** EPLZON - **Item Weight:** 0.76 kg - **Mounting Type:** Wall Mount - **Power Source:** Corded Electric - **Specification Met:** UL ## Images ![24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - Image 1](https://m.media-amazon.com/images/I/61Rm2PPtDAL.jpg) ![24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - Image 2](https://m.media-amazon.com/images/I/61343oZDtkL.jpg) ![24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - Image 3](https://m.media-amazon.com/images/I/711+iqb7f7L.jpg) ![24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - Image 4](https://m.media-amazon.com/images/I/61pK8DnnG9L.jpg) ![24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - Image 5](https://m.media-amazon.com/images/I/618aTDG-R2L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Versatile and Reliable Power Source *by B***. on October 13, 2025* I purchased the EPLZON 24V 40VA Transformer primarily for a non-doorbell application: powering my whole-house humidifier. Even though it's marketed heavily toward Ring and thermostat systems, it performed flawlessly for my HVAC accessory needs. The installation was straightforward, and the unit immediately supplied the necessary 24V power. It has been running continuously for weeks, maintaining a steady output with absolutely no operational issues or excessive heat. This 40VA rating provides plenty of headroom for various low-voltage devices. If you need a dependable, high-quality replacement or new installation transformer for any compatible 24V system—whether it’s a smart doorbell, thermostat, or a humidifier like mine—this EPLZON model delivers reliable, consistent performance. Highly recommended for its versatility and flawless function! ### ⭐⭐⭐⭐⭐ It’s a win *by J***Y on November 5, 2025* This is a good product. It replaces the transformer that seems to sit, lonely outside my AC unit with the coils in the fan. The inside part of the central air conditioner. Not the outside part. One little reminder. Turn off the power before you connect it. It turns out if you accidentally touched the two connectors together with a metal screw driver- it doesn’t matter how smart you are. You’re gonna be ordering a new one. I figured I could order four of them and it was still less expensive than an air conditioner guy coming to my house and replacing it. So it’s still a win just win better than me. ### ⭐⭐⭐⭐⭐ Works perfectly *by J***F on August 13, 2026* Works perfect ## Frequently Bought Together - EPLZON 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell - Ring Video Doorbell Wired – Convenient, essential features in a compact design, pair with Ring Chime to hear audio alerts in your home (existing doorbell wiring required) - 2021 release - Ring Chime Pro --- ## 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/403927314-24v-40va-thermostat-and-doorbell-transformer-all-versions-of-ring](https://www.desertcart.tn/products/403927314-24v-40va-thermostat-and-doorbell-transformer-all-versions-of-ring) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-21*