VIVOHOME Digital HVAC Manifold Gauge Set R134a/R1234yf — 88-Refrigerant Library & Backlit LCD

The VIVOHOME Digital HVAC Manifold Gauge Set is a professional diagnostic and charging tool for refrigerant systems compatible with R134a and R1234yf.

This compact digital manifold combines accurate pressure sensing, leak testing, and vacuum measurement in a single handheld unit built for automotive and HVAC technicians. It supports a wide refrigerant library, displays data on a backlit LCD, and includes quick-couplers and shut-off hoses to streamline charging and service tasks. The kit comes with a durable carry case and mounting hook for convenient transport and hands-free operation; three AAA batteries are required but not included.

How precise are the readings and what refrigerants does it support?

The gauge delivers pressure measurements from -14.5 to 800 psi with ±0.5% FS accuracy, offering dependable results for routine diagnostics and system balancing. A built-in refrigerant selection menu covers 88 common refrigerants so you can match the vehicle or equipment specification before charging.

• Pressure accuracy: ±0.5% FS for reliable diagnostics
• Measurement range: -14.5 to 800 psi for vacuum and high-pressure checks
• Refrigerant library: 88 selectable refrigerants including R134a and R1234yf
• Visual window for observing refrigerant charging status

What features make it easy to use in the field?

The VIVOHOME manifold is designed for practical field use with a large backlit LCD, clear zero-level menu layout, and automatic power-off to conserve battery life. Brass hoses and reliable valve switches provide a secure connection while the included hook lets you hang the unit for hands-free monitoring during service.

• Large backlit display for low-light visibility
• Intelligent auto power-off (APO) for battery savings
• Shut-off valves on hoses for fast isolation and service
• Hook and carry case for hands-free use and portability

What safety and durability features are included?

Constructed from high-strength engineering plastic and premium brass fittings, the manifold is built to withstand daily workshop use. Hoses are rated for a working pressure of 800 psi and a burst pressure up to 4000 psi, while the 1/4 SAE standard interfaces ensure compatibility with professional fittings.

• Durable housing: reinforced engineering plastic
• Hose ratings: 800 psi working, up to 4000 psi burst pressure
• Brass couplers and valve components for long-term sealing
• 1/4 SAE standard interfaces for broad compatibility

How does the set support different vehicle systems?

The package includes R-134a and R-1234yf quick couplers and self-sealing can taps so you can service a wide range of modern vehicles without swapping adapters. The three-hose configuration with shut-off valves simplifies system isolation for charging, evacuation, and leak testing.

• Included couplers: R-134a and R-1234yf for common automotive refrigerants
• Self-sealing can taps for safe refrigerant transfer
• Three-hose set with shut-off valves for efficient workflow
• Carry case for transporting between job sites

Who is this for: The VIVOHOME Digital HVAC Manifold Gauge Set is aimed at HVAC technicians, automotive service professionals, and serious DIYers who require accurate pressure readings and flexible refrigerant support. It is especially useful for mechanics who service modern cars using R134a or R1234yf and need a rugged, portable manifold with clear digital readouts. Note: the tool requires three AAA batteries (not included) before first use.