Double nipple fitting 3/4"x1" De Dietrich 7899051

The double nipple fitting 3/4" x 1" is a brass connector used to join pipes or components with different thread sizes in heating systems. This fitting allows for a secure transition between 3/4-inch and 1-inch connections, making it versatile for boiler and burner installations. Made from durable brass, it resists corrosion and provides a leak-proof seal under high temperatures and pressure. Essential for adapting pipe sizes during repairs or new setups, this double nipple fitting is a handy component for any heating equipment project.