Vaillant ecoTEC plus 418 18kw Heat Only (Regular) Boiler Only 0010021222
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Vaillant ecoTEC plus 418 18kW Heat Only (Regular) Boiler is a compact and efficient heat-only boiler designed for traditional heating systems that use a separate hot water cylinder and cold water storage tank. With an 18kW output, ErP A-rated efficiency and quiet operation, it provides reliable central heating performance for smaller homes and properties with moderate heating requirements.
18kW
ErP A-Rated
Heat Only
Traditional / Regular
The 18kW heating output provides dependable central heating performance for smaller homes and properties with moderate heating requirements.
Designed for conventional heating systems using a separate hot water cylinder and cold water storage tank, making it suitable for replacement projects.
ErP A-rated efficiency helps support lower energy consumption while providing consistent heating performance throughout the home.
The compact design provides flexible installation options, while Quiet Mark approval helps ensure discreet operation in residential environments.
Specifications
| Brand | Vaillant |
| Model | ecoTEC plus 418 |
| Boiler type | Heat Only / Regular boiler |
| Output | 18kW |
| Fuel type | Natural Gas |
| Efficiency rating | ErP A-Rated |
| Heating system | Traditional / Regular heating system |
| Hot water cylinder | Required |
| Cold water storage tank | Required for traditional system setup |
| Installation | Suitable for conventional systems |
| Controls | Compatible with Vaillant VRC and senso range controls |
| Frost protection | Built-in |
| Operation | Quiet / Quiet Mark approved |
Installation & maintenance
The Vaillant ecoTEC plus 418 is designed for traditional heating systems incorporating a separate hot water cylinder and cold water storage tank. It should be installed by a suitably qualified Gas Safe registered engineer in accordance with the manufacturer's installation instructions and current safety requirements. Built-in frost protection helps protect the system during colder conditions, while regular professional servicing is recommended to maintain safe and efficient operation.
Compatibility & next steps
The ecoTEC plus 418 can be paired with compatible Vaillant controls, thermostats and weather-compensating controls for enhanced heating management. Before purchasing, check the existing heating system configuration, hot water cylinder, cold water storage arrangements, installation space and control compatibility to ensure this heat-only boiler is suitable for the intended replacement or installation.