Flexible red vinyl plastic tubing connectors. One terminal tube holder. Vinyl carrying case. Simply incline manometer until fluid levels read zero. No spirit level required.
Magnetic clips hold the gage in position on steel duct surface.
Series 1227 Manometer, Fig. Most versatile and useful low cost manometer we know of. Designed for installation and servicemen. Pressure connection end is bent to provide over pressure protection when used as an inclined gage. Adjustable for precise zeroing.