Tool manufacturers explain the broad categories of tools that might need an update to comply with new A2L refrigerant systems: leak detectors, manifolds, vacuum pumps, recovery machines, and gauges ...

This refrigerant may only be used in new equipment specifically designed and identified by the EPA for R-290 refrigerant use, and may not be used as a conversion or "retrofit" refrigerant for ...

【Contour Gauge Tool】Package included: 1 × 5'' deepen contour gauge duplicator, 1 × 10'' deepen contour gauge and 2 × freegift-retractable dual sided measuring tape, screwdriver. Contour ...

Hydrologist Ben Miller and others have been studying the area around Roaring River Spring to determine its recharge basin. He ...