The Vaillant pressure sensing venturi is the device that pushes fresh air into the combustion chamber and allows the gas to be burned correctly. It also removes the remaining burnt gas after the combustion process is complete.
Read more...
Technical Specifications
Category NameSpares - BoilersTypeVenturiCompatible WithVU 126/5-5 R1 and VU 156/5-5 R2Supplier Part Number20135122Brand NameVaillant