Universal Gas Water Heater Flue Kit (90mm) – Safe and Efficient Venting Solution The Universal 90mm Gas Water Heater Flue Kit is an essential component for safely venting exhaust gases from gas water heaters in caravans, motorhomes, and marine applications. Designed for versatility, this flue kit ensures proper ventilation and compliance with safety standards, preventing harmful gas buildup inside your living space. With its durable construction and universal compatibility, the 90mm flue kit offers an ideal solution for a range of gas water heaters. Whether you're installing a new unit or replacing an existing flue, this kit simplifies the process while ensuring reliable and safe performance. Key Features and Benefits