Vaillant 509119 Hydroblock Connection Piece, Colour May Vary

National Shower Spares

Vaillant Connection Manifold Piece (509119). The Vaillant connection piece is for installation in the isolation valve of ecoTEC VU (condensing) boilers. Usually situated underneath heating appliances, the isolation valve lets the user regulate the flow of gas and water into a central heating system. Fits multiple appliances. Genuine brand new Vaillant product, covered by a Vaillant manufacturer's guarantee.

City Plumbing

The Vaillant connection piece is for installation in the isolation valve of eco TEC VU (condensing) boilers. Usually situated underneath heating appliances, the isolation valve lets the user regulate the flow of gas and water into a central heating system.

Direct Heating Spares

Vaillant 509119 Connection Piece - ecoTEC Plus VU/VU. Genuine brand new Vaillant Boiler Spares product, covered by a Vaillant Boiler Spares manufacturer's guarantee.