The Viessmann Vitodens 100-W 35kW B1KF is a compact, high-efficiency combi boiler designed to deliver reliable heating and hot water for small to medium-sized homes. Combining advanced Viessmann technology with smart connectivity and space-saving design, it offers an ideal solution for modern living.

With a 35kW output, this boiler is perfectly suited to properties with 2–3 bedrooms and moderate hot water demand, providing consistent heating performance and dependable hot water flow for everyday use. As a combi boiler, it heats water directly from the mains, removing the need for a separate cylinder or tank. This not only saves space but also ensures instant hot water on demand.At its core, the Vitodens 100-W features Viessmann’s proven Inox-Radial stainless steel heat exchanger and a high-efficiency modulating burner. Together, these deliver excellent heat transfer, long-term durability, and reduced energy consumption through advanced condensing technology. Smart compatibility with the ViCare app allows homeowners to control and monitor their heating system remotely, enabling improved comfort, scheduling, and efficiency. Its compact dimensions and quiet operation make it ideal for installation in kitchens, cupboards, or utility spaces without disruption. Designed for efficiency and ease of use, the Vitodens 100-W is a dependable and future-ready heating solution that helps reduce energy usage and lower household bills.

Key Features :

• 35kW output ideal for small to medium-sized homes (2–3 bedrooms)
• Combi boiler – instant hot water with no cylinder required
• High-efficiency condensing technology for lower energy consumption
• Inox-Radial stainless steel heat exchanger for durability
• Modulating burner for optimised performance
• ViCare app compatibility for remote control and monitoring
• Compact design for cupboard or kitchen installation
• Quiet operation, suitable for living spaces
• Smart scheduling and system optimisation features
• Energy-efficient performance to help reduce heating bills