The ROTHENBERGER 4-way service aids are designed for the commissioning and maintenance of air conditioning and refrigeration systems as well as heat pumps. The high-quality design with shock-absorbing rubber coating ensures a long service life. Application: 80 mm large pressure gauges with shock-absorbing rubber coating, valve body made of high-quality aluminum with sight glass, oversized handwheels with color coding to avoid confusion, 4-way for complete control. Analog 4-way service aid for work on refrigeration and air conditioning systems as well as heat pumps.