The Vaillant isolation valve is compatible with the diverter valve of ecoTEC VU (condensing) boilers. A directional water device in combi boilers, a diverter valve directs hot water into a heating system or a hot water system. This feature means that combis are able to provide both heating and hot water without the need for a storage cylinder.

A replacement Vaillant isolation valve compatible with the diverter valve of ecoTEC VU (condensing) boilers.  A directional water device in combi boilers, a diverter valve directs hot water into a heating system or a hot water system. This feature means that combis are able to provide both heating and hot water without the need for a storage cylinder.  We carry over 300 of the most in demand parts in-branch and stock over 25,000 spare parts available for next-day timed delivery.

Vaillant
Connection Piece (Brass)
509143

Trusted by Tradespeople

Vaillant Connection Piece (Brass) 509143

Trusted by Tradespeople

Vaillant
Connection Piece (Brass)
509143