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  • RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge
  • RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge
  • RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge
  • RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge
  • RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge
  • RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge
RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge

RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge

$20.00-$80.00/ Set|1 Set/Sets(Min. Order)

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
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RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • System Evacuation & Preparation: The vacuum pump efficiently evacuates air from HVAC systems, enabling precise refrigerant charging for installation or repair.
  • Dual-Pressure Monitoring: The two-way manifold gauge set measures high and low-side pressures of refrigerants (R134a, R22, R12, R502), ensuring accurate diagnostics and maintenance.

Key features

  • 1. Corrosion-Resistant Metal Construction

    • With a corrosion-resistant metal body and durable components, ensure long-lasting performance in harsh HVAC environments. The vacuum pump and manifold gauge set withstand frequent use and outdoor conditions, reducing the need for frequent replacements.

  • 2. Leak-Proof Manifold Design

    • With a leak-proof manifold and intuitive connection ports, simplify on-site HVAC system preparation and maintenance. The design ensures precise refrigerant pressure control and minimizes operational errors compared to standard manifold kits.

  • 3. Multi-Refrigerant Compatibility

    • With compatibility for R134a, R22, R12, and R502 refrigerants, efficiently handle diverse HVAC systems and refrigerant types. This adaptability outperforms single-refrigerant tools, streamlining workflows for technicians.

  • 4. Compact, Portable Design

    • With a compact vacuum pump and sturdy blue carrying case, professionals can perform quick system evacuations and pressure checks on-site. The portable design is ideal for both residential and commercial HVAC tasks, saving time and space.

  • 5. Safety-Certified Components

    • With safety features like pressure relief valves and adherence to industry safety standards*, ensure reliable operation. The durable materials and leak-proof construction prioritize user safety during high-pressure tasks.

Product details

RN R134a R22 R12 R502 Two Way Gauge Refrigeration Hvac Meter Valve Pointer Reading Manifold Gauge

The RN R134a/R22/R12/R502 Two-Way Gauge Refrigeration HVAC Meter Valve Pointer Reading Manifold Gauge Kit is a professional-grade tool designed for precise refrigerant management in HVAC systems. This compact, durable kit includes a vacuum pump, manifold gauge set, and accessories, enabling technicians to evacuate systems, monitor pressures, and handle multiple refrigerant types with ease.

Technical specifications

FeatureSpecificationApplication Scenario
Refrigerant CompatibilitySupports R134a, R22, R12, R502Retrofitting HVAC systems with mixed refrigerants
Pressure Range-1.0 to 500 psi (Dual High/Low Gauges)Accurate pressure monitoring during system evacuation or charging
MaterialAluminum alloy manifold, silicone hosesWithstands high pressure and temperature fluctuations
Accuracy±2% of full scaleCritical for precise refrigerant charge calculations
PortabilityCompact design, 6.5 lbs, blue caseOn-site use in cramped or mobile work environments

Customization guide

Adjustable parameters include:

  • Gauge Set Configuration: Swap gauges to accommodate additional refrigerant types (e.g., R410A).
  • Accessory Bundle: Add leak detection tools or pressure relief valves for specialized safety needs.
  • Material Upgrades: Reinforced hoses or corrosion-resistant fittings for harsh industrial environments.

Get inspired

With the RN manifold gauge’s dual-scale pointer reading, technicians can simultaneously monitor high and low-side pressures to diagnose system leaks or overcharge issues. The vacuum pump’s compact design ensures effortless transport to remote job sites, while silicone hoses resist kinking during prolonged use.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Accuracy±2%±1.5% (+25% improvement)±1% (+50% improvement)
Refrigerant Compatibility4 types (R134a, R22, R12, R502)6 types (+50% expansion)8 types (+100% expansion)
Hose DurabilityStandard siliconeReinforced Kevlar-linedMilitary-grade composite
Weight6.5 lbs7.2 lbs (+10% bulk)8.0 lbs (+22% robustness)

Supplier's note

  1. Technical Breakthroughs:

    • Multi-Refrigerant Support: The Pro Model’s 8-refrigerant compatibility eliminates tool switching during mixed-system repairs.
    • Precision Enhancement: The Advanced Model’s ±1.5% accuracy reduces overcharging errors by 30%.
    • Material Innovation: Pro-grade hoses withstand 20% higher pressures than industry standards, ideal for industrial HVAC systems.

  2. Optimal Version Selection:

    • Base Model: Suitable for residential technicians handling routine maintenance (e.g., home AC repairs).
    • Advanced Model: Recommended for commercial HVAC engineers requiring broader refrigerant flexibility (e.g., retrofitting office buildings).
    • Pro Model: Essential for industrial applications where extreme pressures or corrosive environments demand unmatched durability (e.g., chemical plant HVAC systems).

With the Pro Model’s tripled chemical resistance, you can safely handle aggressive refrigerants in industrial settings. Pair its military-grade hoses with the ±1% accuracy to ensure flawless performance in high-stakes environments. The Advanced Model’s expanded refrigerant list streamlines work for technicians servicing mixed-system portfolios.

Frequently asked questions

  • Which HVAC manifold gauge is best for R134a and R22 refrigerant systems?

  • How do I maintain the vacuum pump in an HVAC tool kit for longevity?

  • Metal vs. Plastic Components: Which are better for HVAC manifold gauges?

  • Can I customize the manifold gauge set with additional adapters?

  • Is this manifold gauge set OSHA-compliant for pressure safety?

  • What makes this HVAC tool kit portable for field work?

  • Can this manifold gauge handle both evacuation and refrigerant charging?

  • How does this HVAC tool kit ensure safe high-pressure handling?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Manifold Gauge KitsHVAC system maintenance, refrigerant chargingDual-pressure gauges (±1% accuracy▲ vs industry ±2%, ISO 9001)High precision reduces errors; compatible with R134a/R22/R12 (ASTM D3199)Requires training; costlier than basic gauges
Vacuum PumpsSystem evacuation, leak detectionAchieves 29.5 inHg vacuum▲ (vs industry 28 inHg); compact (12 lbs▲ vs 15 lbs avg)Faster evacuation; portable designHigher cost; may need frequent maintenance
Pressure GaugesMonitoring system pressuresDigital display (0.5 sec updates▲); vibration-resistant (MIL-STD-810G)Real-time data; durable in harsh environmentsBattery dependency; requires calibration
Refrigerant Recovery UnitsRecycling refrigerants, EPA complianceRecovery rate: 5 lbs/min▲ (vs industry 4 lbs/min); EPA 608 certifiedEfficient recycling; eco-friendlyHigh upfront cost; bulky and less portable
Digital Manifold GaugesModern HVAC diagnosticsBluetooth connectivity▲ (syncs with apps); IP65 dust/water resistanceData logging and analysis; remote monitoringHigher price; requires software setup
Portable HVAC Tool KitsOn-site repairs, mobile techniciansAll-in-one kit (includes vacuum pump, gauges, hoses); 25 lbs▲ (vs industry 30 lbs)Comprehensive tools; easy transportLess specialized for niche tasks; heavier than single-purpose tools

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