Weiss HVAC Contractor Gauges Meet The Standard Specifications For Heating, Cooling, And Air Conditioning Applications.
Weiss HVAC Contractor Gauges are made with 1/4" NPT (Threaded) Dial Bottoms and 4-1/2" dials. Models range up to 300 PSI. Models with 30 inch VAC/30 PSI are also available. All gauges conform to ANSI B40.1 accuracy Grade 1A full scale.