--- product_id: 707520975 title: "ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory" brand: "ecobee" price: "£23.47" currency: GBP in_stock: false reviews_count: 13 category: "Ecobee" url: https://www.desertcart.co.uk/products/707520975-ecobee-power-extender-kit-c-wire-adapter-for-ecobee-smart store_origin: GB region: United Kingdom --- # 2 Amps current rating Compact 2.44x2.44x0.9 in size Plug-in quick-connect terminals ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory **Brand:** ecobee **Price:** £23.47 **Availability:** ❌ Out of Stock ## Summary > ⚡ Power up your smart home effortlessly with ecobee’s sleek PEK! ## Quick Answers - **What is this?** ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory by ecobee - **How much does it cost?** £23.47 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/707520975-ecobee-power-extender-kit-c-wire-adapter-for-ecobee-smart) ## Best For - ecobee enthusiasts ## Why This Product - Trusted ecobee brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **IP57 Rated Durability:** Built to last with water and dust resistance, perfect for long-term smart thermostat performance. - • **Plug & Play Installation:** Quick-connect terminals and an easy QR-coded guide get you up and running in minutes. - • **Seamless C-Wire Solution:** Effortlessly powers your ecobee Smart Thermostat without a common wire, eliminating installation headaches. - • **Compact & Discreet Design:** Small footprint fits anywhere—no bulky adapters cluttering your smart home setup. - • **Reliable 24 VAC Compatibility:** Engineered exclusively for 24 VAC HVAC systems, ensuring stable and safe operation. ## Overview The ecobee Power Extender Kit (PEK) is a compact, plug-and-play adapter designed to provide a common wire (C-wire) solution for 24 VAC HVAC systems lacking one. Compatible with most ecobee Smart Thermostats except Essential and Lite models, it features a 2 Amp current rating, quick-connect terminals, and an IP57 rating for durability. Installation is streamlined with a QR code guide, making it the perfect upgrade for millennial professionals seeking hassle-free smart home integration. ## Description Make any home an ecobee Smart Thermostat home with the Power Extender Kit (PEK) – a cost-effective and efficient solution for homes without a common wire (C-wire). Not sure if you need a PEK? Visit ecobee.com/compatibility to find out. All ecobee Smart Thermostat models come with a Power Extender Kit except Smart Thermostat Essential and Smart Thermostat Lite. ## Features - The Power Extender (PEK) is an easy, cost-effective solution for homes without a C or common wire. - Not sure if you need a PEK for your ecobee Smart Thermostat install? Visit ecobee.com/compatibility to find out. - All ecobee Smart Thermostat models come with a Power Extender Kit except Smart Thermostat Essential and Smart Thermostat Lite. - Access the easy-to-follow installation guide by scanning QR code on the box. - Works with 24 VAC systems only. Not compatible with millivolt, high voltage systems, dual transformer, fan coil, or communicating units. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DT9RCBGZ | | Best Sellers Rank | #11,495 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Home Thermostat Accessories | | Brand | ecobee | | Brand Name | ecobee | | Circuit Type | 1-way | | Color | White | | Compatible Devices | ecobee Smart Thermostat models | | Compatible with Vehicle Type | ecobee Smart Thermostat models | | Connectivity Protocol | Wi-Fi | | Connector Type | Plug In | | Contact Material | Plastic | | Contact Type | Normally Closed | | Control Method | Touch | | Control Type | Manual | | Current Rating | 2 Amps | | Customer Reviews | 4.2 out of 5 stars 315 Reviews | | Included Components | Power Extender Kit | | International Protection Rating | IP57 | | Item Dimensions | 2.44 x 2.44 x 0.9 inches | | Item Type Name | Smart Thermostat Accessory | | Item Weight | 0.16 Pounds | | Manufacturer | ecobee | | Material Type | Plastic | | Model | EB-PEK2-01 | | Mounting Type | Surface Mount | | Number of Items | 1 | | Number of Positions | 7 | | Operation Mode | ON-ON | | Part Number | EB-PEK2-01 | | Smart Home Compatibility | Smart Home Compatible | | Specification Met | UL | | Switch Type | Relay | | Terminal | Quick-connect | | UPC | 627988050294 | ## Product Details - **Operation Mode:** ON-ON - **Current Rating:** 2 Amps - **Contact Type:** Normally Closed - **Connector Type:** Plug In - **Brand:** ecobee - **Switch Type:** Relay - **Terminal:** Quick-connect - **Material:** Plastic - **Item dimensions L x W x H:** 2.44 x 2.44 x 0.9 inches - **Circuit Type:** 1-way ## Images ![ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory - Image 1](https://m.media-amazon.com/images/I/51vLFn35tQL.jpg) ![ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory - Image 2](https://m.media-amazon.com/images/I/61d-qydfb6L.jpg) ![ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory - Image 3](https://m.media-amazon.com/images/I/51a+1n86KYL.jpg) ![ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory - Image 4](https://m.media-amazon.com/images/I/71KBmH7x2sL.jpg) ![ecobee Power Extender Kit C-Wire Adapter - for ecobee Smart Thermostat Essential - Programmable WiFi Thermostat Accessory - Image 5](https://m.media-amazon.com/images/I/81ChVXe4CCL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by I***N on February 16, 2026* ### ⭐⭐⭐⭐⭐ Review *by T***M on April 18, 2026* ### ⭐⭐⭐⭐⭐ Review *by C***Y on March 19, 2026* --- ## 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.co.uk/products/707520975-ecobee-power-extender-kit-c-wire-adapter-for-ecobee-smart](https://www.desertcart.co.uk/products/707520975-ecobee-power-extender-kit-c-wire-adapter-for-ecobee-smart) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-14*