VAILLANT ECOTEC PLUS 637 & VU 376/3-5 R1 GASVENTIL 053500 0020110998
Will fit: VAILLANT ECOTEC PLUS 637 BOILER. VAILLANT ECOTEC VU 376/3-5 R1 BOILER. Nagi House, Alperton Lane, Wembley, HA0 1DX. Products will not be covered if misused or not serviced as per maintenance instructions.