The Vaillant ecoTec Plus 430 is a powerful and highly efficient open vent (heat-only) boiler, delivering an impressive 30kW output—perfect for larger homes with higher heating demands. Ideal for traditional systems using a hot water cylinder and loft tanks, this boiler provides outstanding performance, low running costs, and the premium reliability Vaillant is renowned for.

Engineered with advanced modulation technology, ultra-quiet operation, and strong fuel efficiency, the ecoTec Plus 430 is a top-tier choice for upgrading older, less efficient heat-only boilers.

Key Features

• 30kW output – ideal for large homes with greater heating requirements

• ErP A-rated efficiency for reduced energy bills

• Quiet Mark approved for low-noise performance

• Advanced modulation for consistent temperature control and efficiency

• Compatible with open-vented systems using cylinders and tanks

• Hard-wearing aluminium heat exchanger ensures long life

• Clear digital interface with diagnostic support

• Built-in frost protection for loft or garage installations

• Compact and lightweight for easier fitting

• Premium Vaillant build quality trusted across the industry

Ideal For

• Large homes with multiple radiators

• Properties using a traditional open-vented system

• Homes with high heating demand

• Customers seeking premium reliability and long-term efficiency

What’s Included

• Vaillant ecoTec Plus 430 Open Vent Boiler (ErP)
  (Flue, controls, and accessories sold separately)

Why Choose the ecoTec Plus 430?

With its higher 30kW output and exceptional efficiency, the ecoTec Plus 430 offers powerful heating performance while keeping energy costs low. Its robust engineering and quiet operation make it a leading choice for larger properties needing a dependable heat-only boiler upgrade.