What is a 4-way bypass kit flex hose used for?

A DSZH 4-way bypass kit flex hose assembly is used for refrigerant service and diagnostics across R410, R32, R407, and R134 HVAC systems. Technicians use it to connect manifold gauges, recover refrigerant, and perform pressure testing during maintenance and troubleshooting on commercial and residential air conditioning units.

What refrigerants does the DSZH 4V bypass kit support?

The DSZH 4V bypass kit flex hose assembly is compatible with R410, R32, R407, and R134 refrigerants. Color-coded hoses—blue for low pressure, red for high pressure, and yellow for vacuum—ensure correct connection and safe handling across multiple refrigerant types in field service applications.

Where can I buy DSZH 4V bypass kit flex hose in Singapore?

3G Electric stocks the DSZH 4V bypass kit (SKU COR15068) as an authorized industrial equipment distributor. We handle full logistics, customs clearance, and delivery to Singapore for HVAC service tools and refrigerant accessories. Contact us for pricing and lead time.

How should I maintain and store HVAC bypass kit flex hoses?

Store DSZH bypass kits in a cool, dry location away from direct sunlight and moisture to prevent hose degradation. After each use, purge remaining refrigerant, inspect hoses for cracks or wear, and ensure couplings are clean. Replace hoses if pressure loss or damage is detected to maintain system integrity.

DSZH 4V bypass kit flex hose R410 R32 R407 R134 - HVAC Tools

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DSZH 4V bypass kit flex hose R410 R32 R407 R134

DSZH 4-way bypass kit flex hose assembly for HVAC refrigerant service across R410, R32, R407, and R134 systems. Features color-coded hoses: low pressure (blue), high pressure (red), and vacuum (yellow). Essential for…

SKU 3G-CBM-01400

Also listed as: COR 15068 · COR-15068

Brand

DSZH

Item

4V bypass kit flex hose R410 R32 R407 R134

Technical Specifications

DSZH

type

4-way bypass kit 

hose types

low pressure (blue), high pressure (red), vacuum (yellow) 

refrigerants

R410, R32, R407, R134 

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DSZH Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for DSZH

Split-system air-conditioner service: DSZH manifold bases and SAE/NPT reducers integrate with technician gauge sets for pressure monitoring and refrigerant charge.

Rooftop packaged unit maintenance: Flare connector caps, hose tips, and union fittings expedite field replacement of damaged lines and adapters on commercial cooling systems.

Refrigerant recovery and recycling: DSZH bottle adapters (R600A-rated) connect recovery cylinders to hose lines, enabling safe extraction of flammable and standard refrigerants.

Process-cooling loop installation: SAE straight male/female unions and reducers support temporary or permanent manifold assembly on industrial water-chilled equipment.

Heat-pump seasonal service: DSZH dudgeon extensions and adapter kits allow technicians to connect diagnostic gauges to restricted or recessed access ports on reversing-valve manifolds.

Field emergency repairs: Individual DSZH fittings stocked in stock allow technicians to repair or modify hose connections on-site without returning to the shop for components.

DSZH Products

3G Electric supplies DSZH hvac tools. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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