Vaillant Boiler Old Type Diverter Valve MPN 178978This Vaillant old-type diverter valve, MPN 178978 is suitable for several Vaillant Ecotec Plus and Pro boiler models. As it has been discontinued by Vaillant, it is only available as a refurbished product. Our refurbished units are thoroughly tested and come with a 12-month warranty.Compatible MPN 178978 Models with GC Numbers:Vaillant Ecotec Plus 824 VUW 246/3-5 (2005-2012) – GC No: 47-044-31Vaillant Ecotec Plus 831 VUW 316/3-5 (2005-2013) – GC No: 47-044-32Vaillant Ecotec Plus 937 VUI 376/3-5 (2006-2012) – GC No: 47-044-39Vaillant Ecotec Pro 24 VUW 246/3-3 R1 (2006-2008) – GC No: 47-044-36 R1Vaillant Ecotec Pro 24 VUW 246/3-3 R2 (2008-2012) – GC No: 47-044-36 R2Vaillant Ecotec Pro 28 VUW 286/3-3 R1 (2005-2008) – GC No: 47-044-30 R1Vaillant Ecotec Pro 28 VUW 286/3-3 R2 (2008-2012) – GC No: 47-044-30 R2Note: Please verify compatibility before ordering. For any assistance, connect with us via WhatsApp chat.This Old type Vaillant diverter valve 178978 replacement is a top-performing solution for your boiler, ensuring reliable water redirection between heating and taps. Available in refurbished condition, come with a 12-month warranty for peace of mind. If you want you can find new type Vaillant diverter valve hereShippingOrders placed by 1:00 p.m. EST (Monday–Friday) are shipped the same day. We offer next-day delivery, excluding weekends. For Friday orders, next-day delivery is on Monday unless you select the Saturday delivery option at checkout.At Aspire Heating, your satisfaction is our priority. If your diverter valve does not meet your expectations, you can return it within 30 days. Please read our full Return Policy for more information.
