This product can be found in combi boilers, the diverter valve is used as a directional water mechanism, which is found in this type of boiler only. The part is used to allow hot water to be redirected to the central heating, in most cases radiators, or towards the DHW system which is more likely to be water taps. These features which are standard to the combi boiler is what makes the product so popular. Another popular feature is that the combi boiler doesn’t need a cylinder to operate and provide its users with hot water and heating. This part is used in 4 different boilers which are available in the Valliant glossary, including: the Vaillant ECOmax VUW 236 E, ECOMAX VUW 286 E, VUW 236 E and VUW 286 E. If you require any assistance on choosing or finding and products, don’t be afraid to get in touch via email or telephone.