Home AC Accessories Manifold Gauge Set R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
R22 R134a R404a R12 Manifold Gauge Set
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R22 R134A R404A R12 Manifold Gauge Set

DABUND R22 R134A R404A R12 Manifold Gauge Set is an analog HVACR service tool for monitoring low-side and high-side refrigerant pressure on compatible air-conditioning and refrigeration systems.

This manifold gauge set is identified for R22, R134A, R404A and R12 applications. It can support system inspection, troubleshooting, evacuation and refrigerant charging procedures when the manifold, hoses and connections are suitable for the equipment being serviced.

The current product information identifies the manifold with double O-ring piston valves. Manifold configurations equipped with a sight glass also allow visual observation of liquid during applicable service procedures.

Quick Answer: This is a multi-refrigerant analog manifold gauge set for compatible R22, R134A, R404A and R12 HVACR systems, with dual pressure gauges and filling hoses shown in the current product information.

Ordering Notice: The current product information does not specify the exact low-side pressure range, high-side pressure range, gauge diameter, manifold port size, hose connection size, hose length or hose pressure rating. Confirm these specifications for the exact model before ordering.

Manifold Gauge Set Specifications

Product TypeMulti-Refrigerant Manifold Gauge Set
Refrigerants ListedR22 / R134A / R404A / R12
Gauge TypeAnalog
Pressure MonitoringLow-side and high-side refrigerant pressure
Valve DesignDouble O-ring piston valves
Sight GlassAvailable on manifold configurations equipped with a sight glass
Service HosesFilling hoses shown in current product information
Typical ApplicationsCompatible air-conditioning and refrigeration service

Multi-Refrigerant HVACR Manifold Gauge

This manifold gauge set is identified for servicing compatible R22, R134A, R404A and R12 systems.

A multi-refrigerant manifold configuration can help HVACR service companies, technicians and distributors cover different air-conditioning and refrigeration service requirements with one product family.

Refrigerant compatibility should still be verified for the exact gauge scale, pressure range, hoses and connection configuration before use.

R22 R134A R404A R12 manifold gauge set with dual analog pressure gauges

Testing Manifold Double Meter Valve

Filling hose for R22 R134A R404A R12 manifold gauge set

Filling Hose

Low-Side and High-Side Pressure Monitoring

The dual analog gauges allow technicians to monitor low-side and high-side refrigerant pressure during compatible HVACR service procedures.

Pressure readings can support system inspection and troubleshooting when interpreted together with the refrigerant, equipment specifications and actual operating conditions.

The manifold can also be used as part of applicable evacuation and charging procedures when the gauge set, hoses and service connections are correctly matched to the system.

R22 Refrigerant Service

R22 is one of the refrigerants identified on this manifold gauge set. Before servicing an R22 system, confirm that the selected gauge scale, pressure range, hoses and service connections are suitable for the equipment.

R134A Refrigerant Service

The product is also identified for compatible R134A applications. Technicians should confirm that the manifold configuration and service hoses match the R134A system being serviced.

R404A Refrigerant Service

R404A is included among the refrigerants listed for this manifold gauge product. Confirm the required pressure range and connection configuration for the exact refrigeration equipment before use.

R12 Refrigerant Service

R12 is also identified on this product page. The exact gauge range, hoses and service connection requirements should be confirmed before working on a compatible R12 system.

Double O-Ring Piston Valves

The current product information identifies the manifold with double O-ring piston valves.

These valves form part of the manifold flow-control arrangement used during compatible pressure testing, evacuation and refrigerant charging procedures.

Sight Glass Option

Manifold configurations equipped with a sight glass allow technicians to visually observe liquid movement during applicable service procedures.

The current product information does not state that every configuration includes a sight glass. Confirm this feature for the exact model before ordering.

Gauge Zero Calibration

Check the zero position of the analog gauges before connecting the manifold gauge set to a pressurized system.

According to the current product instructions, if a gauge does not read 0 psi when unpressurized, remove the gauge face and adjust the calibration screw until the pointer returns to 0 psi.

Gauge condition and calibration should be checked before pressure-dependent service work.

HVACR Service Applications

The R22 R134A R404A R12 manifold gauge set is intended for professional service of compatible air-conditioning and refrigeration systems.

  • Low-side refrigerant pressure monitoring

  • High-side refrigerant pressure monitoring

  • Air-conditioning system servicing

  • Refrigeration system servicing

  • System inspection and troubleshooting support

  • Evacuation procedures

  • Refrigerant charging procedures

  • HVACR maintenance and repair work

How to Select a Multi-Refrigerant Manifold Gauge Set

Confirm the Refrigerant

Identify the refrigerant used by the equipment and confirm that the exact gauge configuration is suitable for that refrigerant.

Confirm the Gauge Pressure Ranges

Check that the low-side and high-side pressure ranges are appropriate for the refrigerant and equipment being serviced.

Confirm Gauge Scales and Units

Confirm the gauge face, refrigerant scales and measurement units required by the target market and service application.

Confirm Manifold Port and Hose Connections

Verify the manifold port dimensions, hose fitting dimensions and compatibility with the service ports on the intended equipment.

Confirm Hose Specifications

Confirm the hose quantity, hose length, fitting configuration and required pressure specification before ordering.

Confirm Whether a Sight Glass Is Required

If a sight glass is required for the intended servicing procedure, confirm that the selected manifold configuration includes this feature.

Important Safety Notice

Refrigerant manifold gauge sets are professional service tools for pressurized HVACR systems. Operation should be performed by trained personnel following the service procedures applicable to the refrigerant and equipment.

Caution: Never open the high-side valve on the manifold gauge set while the air-conditioning system is operating.

Check hose connections, valve positions, gauge condition and refrigerant compatibility before connecting the manifold to a system.

Information to Confirm Before Ordering

HVAC distributors, wholesalers, refrigeration service companies and professional technicians should confirm the following specifications before ordering:

  • Required refrigerant: R22, R134A, R404A, R12 or multiple refrigerants

  • Low-side gauge pressure range

  • High-side gauge pressure range

  • Gauge refrigerant scales

  • Measurement units

  • Gauge diameter

  • Manifold port size

  • Service hose connection size

  • Hose quantity

  • Hose length

  • Hose working pressure

  • Whether a sight glass is required

  • Required package contents

  • Order quantity

  • Packaging requirements

  • OEM or private-label requirements

These technical parameters are not fully specified in the current product information and should be confirmed for the exact manifold configuration before placing an order.

DABUND HVACR Service Tools

DABUND supplies refrigerant manifold gauge sets and related HVAC installation and service products for distributors, wholesalers, contractors and professional HVACR service companies.

DABUND has supplied HVAC-related products since 2008.

OEM and ODM requirements can be discussed according to refrigerant configuration, gauge requirements, hose configuration, packaging and commercial purchasing requirements.

Frequently Asked Questions

Which refrigerants are listed for this manifold gauge set?

The current product information identifies R22, R134A, R404A and R12.

Is this an analog or digital manifold gauge set?

The current product information and images show an analog manifold gauge configuration.

Does the manifold measure both low-side and high-side pressure?

Yes. The manifold uses separate analog gauges for monitoring low-side and high-side refrigerant pressure.

Does the manifold use double O-ring piston valves?

Yes. The current product information identifies the manifold with double O-ring piston valves.

Does every manifold gauge set include a sight glass?

Not necessarily. The current information states that manifold configurations equipped with a sight glass allow liquid levels to be viewed. Confirm whether the exact model being ordered includes this feature.

Can this manifold gauge set be used for R22?

R22 is one of the refrigerants identified for this product. Confirm that the exact gauge scale, pressure range, hoses and connections are suitable for the R22 system being serviced.

Can this manifold gauge set be used for R134A?

Yes. R134A is listed for this product. Confirm the exact model configuration before servicing the system.

Can this manifold gauge set be used for R404A?

R404A is listed in the current product information. Confirm the gauge pressure range and service connections required by the refrigeration equipment.

Can this manifold gauge set be used for R12?

R12 is also identified for this product. Confirm that the exact manifold, gauge scale, hoses and connections match the intended service application.

Can this manifold gauge be used for refrigerant charging?

Yes. The current product information identifies refrigerant charging as an applicable manifold gauge procedure when the product is correctly matched to the system.

Can it be used during system evacuation?

The current product information identifies evacuation as an applicable service procedure for manifold gauge sets.

What should I do if a gauge does not read 0 psi?

According to the current product instructions, remove the gauge face and adjust the calibration screw until the pointer returns to 0 psi.

What is the pressure range of the gauges?

The current product information does not specify the low-side or high-side gauge pressure ranges. Confirm these values for the exact model before ordering.

What connection size does the manifold use?

The current product information does not specify the manifold port or service hose connection dimensions. Confirm these specifications before ordering.

Are filling hoses included?

Filling hoses are shown in the current product information. Confirm the exact quantity, length, fittings and package contents for the selected manifold configuration.

Can I open the high-side valve while the AC system is operating?

No. The current product instructions specifically caution against opening the high-side manifold valve while the air-conditioning system is operating.

Can DABUND provide OEM or ODM manifold gauge sets?

Yes. OEM and ODM requirements can be discussed according to refrigerant configuration, gauge requirements, hose configuration, packaging and commercial order requirements.

Can I request a sample?

Sample requests are available according to the current sales policy.    View sample information.

What payment terms are available?

Available payment methods can include T/T, L/C at sight and credit card. Final payment terms depend on the commercial agreement.

What delivery terms are available?

Available international trade terms can include EXW, FOB, CFR and CIF.

What is the typical delivery time?

The current product information lists a typical delivery period of approximately 15–20 days. Actual lead time depends on order quantity, product configuration, customization and production schedule.

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