Yellow Jacket 78075 Water-Type Manometer

The Yellow Jacket 78075 Water-Type Manometer is an economical plastic tube manometer that helps you read gas pressure in furnaces. The measurement scale on the tube goes from 0"wc to 15"wc. It can also read as low as -2"wc for newer furnace systems. A magnet is included on the back of the manometer to keep it held in a convenient upright position. 30" tubing with fitting attached comes included with this tool.