{"product_id":"viessmann-7427419","title":"Viessmann 7427419","description":"\u003cp\u003eThe \u003cstrong\u003eViessmann 7427419\u003c\/strong\u003e is a direct OEM \u003cstrong\u003eControl Console WB1B-26\u003c\/strong\u003e engineered specifically for the Vitodens 100-W series condensing boilers. As a critical interface for the \u003cstrong\u003eWB1B-26 boiler control system\u003c\/strong\u003e, this unit facilitates precise modulation and operational oversight, ensuring the hydronic system maintains peak thermal efficiency. The console features a technical \u003cstrong\u003edigital display for boiler diagnostics\u003c\/strong\u003e and manual rotary selectors for adjusting heating water and domestic hot water temperatures. Installers should note that this \u003cstrong\u003eViessmann replacement control unit\u003c\/strong\u003e requires specific parameter programming based on the boiler's serial number and gas type—natural gas or LPG—via the internal \"SERV\" menu. This \u003cstrong\u003eboiler interface module\u003c\/strong\u003e integrates seamlessly with existing wiring harnesses, providing reliable communication with the burner control unit. For a successful service call, verify the equipment's serial number against the \u003cstrong\u003eViessmann 7427419 specifications\u003c\/strong\u003e to ensure firmware compatibility and proper logical sequencing for high-efficiency operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Designed as a direct drop-in for \u003cstrong\u003eVitodens 100-W WB1B-26\u003c\/strong\u003e models, eliminating mounting and wiring discrepancies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Diagnostics:\u003c\/strong\u003e The integrated \u003cstrong\u003eboiler digital display\u003c\/strong\u003e provides real-time fault codes and operational data for faster troubleshooting and commissioning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Fuel Logic:\u003c\/strong\u003e Supports both natural gas and liquid propane configurations through field-adjustable set of parameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTechnical Reliability:\u003c\/strong\u003e Constructed with high-grade electronics to withstand the high-temperature environment of a sealed boiler cabinet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this control console require programming after installation?\u003c\/strong\u003e\u003cbr\u003e\nYes, the \u003cstrong\u003eViessmann 7427419\u003c\/strong\u003e must be configured to the specific boiler using the rotary selectors. Technicians must enter the service level to set the correct parameter code (1-12) found in the technical manual corresponding to the boiler series and serial number.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use the WB1B-26 console for other Vitodens models?\u003c\/strong\u003e\u003cbr\u003e\nThis specific \u003cstrong\u003econtrol console\u003c\/strong\u003e is engineered and calibrated for the \u003cstrong\u003eWB1B-26\u003c\/strong\u003e. Using it on different series like the WB1A or newer B1HA models may lead to communication errors or improper burner modulation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I toggle between Natural Gas and Propane settings?\u003c\/strong\u003e\u003cbr\u003e\nThe gas type is adjusted within the service menu. By turning the rotary selectors to the central position and following the software sequence, the display will indicate \"0\" for natural gas or \"1\" for LPG.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":42448626778290,"sku":"7427419","price":866.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/products\/Pic_922c3347-d684-4603-9098-f2646c885dde.jpg?v=1752267146","url":"https:\/\/www.gsistore.com\/products\/viessmann-7427419","provider":"GSIstore","version":"1.0","type":"link"}