Orion Motor Tech AC Manifold Gauge Set with 5 ft Hoses — R134a/R12/R22/R502, Hybrid Anti-Shock Gauges

The Orion Motor Tech OMT AC Gauge Set is a complete 3-way manifold kit with hybrid anti-shock gauges, color-coded 5 ft hoses, and adapters to service R134a, R12, R22, and R502 systems.

This all-in-one automotive air conditioning gauge set combines professional-grade gauges, reinforced hoses, quick couplers, and can taps so you can read system pressures, evacuate, and recharge refrigerants with a single compact kit. The design balances durability with winter performance by pairing an oil-filled gauge core with a dry dial face, and the included adapters cover older and modern refrigerant connections.

How accurate and durable are the gauges for everyday shop use?

The OMT manifold uses 68 mm hybrid anti-shock gauges that merge an oil-filled movement core with a dry dial to reduce wear and resist mechanical shock while maintaining reliable low-temperature readings. That construction gives the gauges improved longevity without sacrificing clarity in colder conditions. The set is intended for routine diagnostics and maintenance rather than laboratory-grade calibration.

• 68 mm high- and low-pressure gauges with oil-filled core and dry dial face
• Anti-shock design improves resistance to vibration and impact
• Clear, color-contrasted markings for fast pressure readouts
• Suitable for workshop and DIY automotive AC tasks

Which refrigerants and service tasks can I do with this kit?

This manifold gauge set supports common automotive refrigerants R134a, R12, R22, and R502, so it adapts to a wide range of vehicles and older equipment. With the included hoses, quick couplers, and adapter fittings you can measure pressures, evacuate systems, add refrigerant, and switch between different canister types. It’s not a substitute for recovery machines required by regulation in some jurisdictions.

• Compatible with R134a, R12, R22, and R502 refrigerants
• Measure high and low side pressures and diagnose leaks or restrictions
• Evacuate and recharge systems using included charging hose and couplers
• Includes 1/4" to 1/2" Acme adapter and two types of can taps

What fittings, hoses, and adapters are included for practical use?

The kit ships with three color-coded 5 ft PVC hoses (blue low, red high, yellow charge) that have four reinforcement layers rated for daily use up to 600 psi and a burst rating around 3000 psi. Two adjustable 1/4" quick couplers make connection to service ports straightforward, and the package contains both a self-sealing can tap and a puncture-style tap to handle different refrigerant canister designs.

• Three 5 ft color-coded PVC hoses with four reinforcement layers
• Two adjustable 1/4" quick couplers for secure service-port connections
• 1/4" to 1/2" Acme adapter for older cylinder valves
• Both self-sealing and puncture-style can taps included

How do I maintain and store the gauge set to keep it reliable?

Rinse external dirt and keep hoses free of kinks or sharp bends to prolong service life; avoid prolonged exposure to direct sunlight and extreme heat which can degrade PVC and sealing surfaces. Store the manifold in its case or hang hoses to prevent crushing, and periodically inspect couplers, threads, and seals for wear before each use. Replace damaged hoses or seals rather than risking leaks under pressure.

• Wipe clean and keep away from prolonged UV and high heat
• Inspect fittings and seals for wear before each use
• Avoid kinking hoses—store coiled and supported
• Replace damaged parts to maintain safe pressure handling

Who is this for: The Orion Motor Tech OMT AC Gauge Set is aimed at independent mechanics, HVAC technicians, and capable DIY enthusiasts who service automotive or small refrigeration systems using R134a, R12, R22, or R502. It’s suited to users who need a robust, versatile manifold for diagnostic pressure reading, charging, and routine maintenance, and who understand local regulations about refrigerant recovery and handling.