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The YELLOW JACKET 78081 is a Ritchie test gauge designed for refrigeration and HVAC service work. It reads pressure in the 0-30 psi range, making it suited for low-side pressure checks on residential and light commercial refrigeration systems. This gauge is used as a standalone test instrument rather than part of a manifold set. HVAC technicians and refrigeration service pros reach for this type of gauge when a quick, accurate low-side pressure reading is needed without pulling the full manifold.
The 78081 is intended for refrigeration and air conditioning service applications where low-pressure measurement in the 0-30 psi range is required. It is appropriate for use in residential and light commercial settings. As a Ritchie-branded test gauge, it is built to the standards that HVAC and refrigeration technicians expect from Yellow Jacket service equipment.
Designed as a low-side refrigeration test gauge compatible with standard refrigeration and HVAC service valve fittings typical of residential and light commercial systems.
This gauge should be installed and used by licensed HVAC or refrigeration technicians familiar with refrigerant handling requirements. Always recover or isolate refrigerant before attaching or removing gauge connections to avoid uncontrolled refrigerant release. Verify the system pressure range is within the gauge scale before connecting. Follow all applicable EPA Section 608 regulations when working with refrigerants.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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