See photos. The Vaillant Glowworm Rosette Ring Internal Flue Seal Collar with Bracket is a white storage tank water heater designed for wall-mounted installation. It is compatible with smart home technology, specifically the Ring system. This product ensures a secure and efficient seal for the internal flue, providing a reliable heating solution for your home. The Vaillant brand is known for its quality and durability, making this seal collar a trusted choice for your heating needs.
eBay