These dependable, service-free draft gauges are small, inexpensive and easy to use. The MZF Draft Gauge can be utilized by both contractors and service technicians for determining draft pressure problems in commercial and residential settings.

 

The highly sensitive MZF Draft Gauge requires no liquid or tedious leveling; this dry type instrument is always ready for immediate use. The pointer’s movement over scale is in direct proportion to the magnitude of the draft at the test point. Ideal for residential, commercial and industrial heating plants; to measure furnace draft and pressure drop across air filters.