--- product_id: 198991384 title: "Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black" brand: "viessmann" price: "$227.62" currency: USD in_stock: true category: "Viessmann" url: https://www.desertcart.us/products/198991384-viessmann-7827957-ignition-transformer-bw12126-00-for-vitodens-200-w store_origin: US region: United States of America --- # High-voltage ignition power Professional-grade installation required Precision fit for Vitodens 200-W series Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black **Brand:** viessmann **Price:** $227.62 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your home’s warmth with precision and power! ## Quick Answers - **What is this?** Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black by viessmann - **How much does it cost?** $227.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/198991384-viessmann-7827957-ignition-transformer-bw12126-00-for-vitodens-200-w) ## Best For - viessmann enthusiasts ## Why This Product - Trusted viessmann brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Professional Assurance:** Installation and maintenance by licensed heating contractors guarantee safety and performance. - • **Tailored Compatibility:** Specifically engineered for Vitodens 200-W WB2B 19-105 series, ensuring seamless integration. - • **Reliable Ignition Power:** Delivers consistent high-voltage sparks to keep your boiler firing flawlessly. - • **Serial Number Precision:** Use your boiler’s unique 16-digit or 12-digit serial number for perfect part matching—no guesswork. - • **Durable Wall-Mount Design:** Compact and sturdy, designed to fit discreetly on your boiler setup for long-lasting operation. ## Overview The Viessmann 7827957 Ignition Transformer (BW12126-00) is a high-voltage ignition component designed exclusively for Vitodens 200-W WB2B series residential gas-fired condensing boilers. Engineered for exact fit and reliable performance, it requires professional installation to ensure optimal safety and efficiency. Perfect for maintaining seamless boiler ignition and enhancing your home heating system’s reliability. ## Description Replacement Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B 19/26/35/45/60/80/105 Series Residential Wall-Mounted Gas-Fired Condensing Boilers. Any adjustments, installations, service or maintenance must be completed by a licensed professional heating contractor who is qualified to work with hot water boilers. When ordering replacement parts, check with the manufacturer and provide the 16-digit boiler serial number or the 12-digit ASME/NB serial number to ensure a proper fit before purchasing. ## Features - Compatible with Vitodens 200-W WB2B 19/26/35/45/60/80/105 Series Residential Wall-Mounted Gas-Fired Condensing Boilers - Any adjustments, installations, service or maintenance must be completed by a licensed professional heating contractor who is qualified to work with hot water boilers - Check with manufacturer before ordering replacement parts to ensure a proper fit - Give the manufacturer the 16-digit boiler serial number or the 12-digit ASME/NB serial number ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00631X34U | | Best Sellers Rank | #2,278,708 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5,439 in Water Heater Replacement Parts #443,794 in Parts & Accessories | | Brand Name | Viessmann | | Customer Reviews | 3.0 3.0 out of 5 stars (8) | | Included Components | Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers | | Item Type Name | Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers | | Manufacturer | Viessmann | | Model | 7827957 | | Mounting Type | Wall Mount | | Part Number | 7827957 | | UPC | 734130142858 | ## Product Details - **Brand:** Viessmann - **Manufacturer:** Viessmann - **Mounting Type:** Wall Mount - **Number of Items:** 1 - **UPC:** 734130142858 ## Images ![Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black - Image 1](https://m.media-amazon.com/images/I/51M9lfPsK8L.jpg) ![Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black - Image 2](https://m.media-amazon.com/images/I/51VcZyko-5L.jpg) ![Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black - Image 3](https://m.media-amazon.com/images/I/51MTpgKJvoL.jpg) ![Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black - Image 4](https://m.media-amazon.com/images/I/51e-4TflZyL.jpg) ![Viessmann 7827957 Ignition Transformer (BW12126-00) for Vitodens 200-W WB2B Series Boilers, Black - Image 5](https://m.media-amazon.com/images/I/51sJI1T3zQL.jpg) --- ## 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.us/products/198991384-viessmann-7827957-ignition-transformer-bw12126-00-for-vitodens-200-w](https://www.desertcart.us/products/198991384-viessmann-7827957-ignition-transformer-bw12126-00-for-vitodens-200-w) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-24*