Ideal Hydroblock Gasket Kit 175549 Vogue S18 Gen 2 (GC No. 4175089) If this is the case

If this is the case choose vessel then PRV below separately)

This component manages water flow between heating and domestic hot water circuits with minimal pressure loss

Kit contains:

Main Flange Gasket 7662076

Vaillant Expansion Vessel 10 Litre 181051

Ideal Hydroblock Gasket Kit 175549 Vogue S18 Gen 2 (GC No. 4175089) If this is the caseThe Hydroblock Gasket Kit from Gas Part provides all the essential gaskets needed for boiler servicing and maintenance. Designed for precise fitting and reliable sealing, this kit helps prevent leaks, maintain system efficiency, and ensure safe operation. Perfect for both professional engineers and DIY maintenance, it supports long lasting boiler performance and compliance with industry standards.