DSZHHVAC Tools

DSZH Double torque wrench 1/4"-3/8" TA771WT-23

SKU 3G-CBM-01549

Also listed as: COR 35830 · COR-35830

Brand

DSZH

Item

Double torque wrench 1/4"-3/8" TA771WT-23

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

DSZH

size

1/4"-3/8" 

type

double head torque wrench 

Datasheet Content

Torque wrench for ¼ ”⅜”
Innovative Combination
Torque Wrench
Double Head Torque Wrench
       3G-CBM-01549              Length: 300mm




                                                Easy to use with a wrench
                                             Even when using two, you can
                                             keep a certain distance and
                                             avoid contact with both hands.


                                               Achieves accurate tightening
                                               The innovative & unique head shape supports
                                               accurate tightening.
                                               A long lasting durable forged wrench.
                         300mm

                                                             Ergonomic design
                          Grip Line                    The easy to grip handle with selected material
                                                       are results of perfection that has been reached
 Wrench Size    22mm For mini split Wrench Size 17mm
                                                       through repeated trial experiements.
Torque N-m     39.9N・m A/C (RAC) Torque N-m 17.2N・m

Technical Documents

(1)

Technical Document 1

PDF Document

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DSZH Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

DSZH Double torque wrench 1/4"-3/8" TA771WT-23

Frequently Asked Questions

What is the DSZH double torque wrench 1/4"-3/8" TA771WT-23 used for?

The DSZH double torque wrench is used for accurate tightening of HVAC components, particularly mini-split air conditioners. Its dual-head design allows two wrenches to work simultaneously while maintaining a safe distance, preventing hand contact and enabling precise torque application.

What are the specifications of the DSZH TA771WT-23 torque wrench?

The DSZH TA771WT-23 is a double-head torque wrench with sizes 1/4" and 3/8". It has a length of 300mm, wrench sizes of 22mm for mini-split and 17mm, and torque settings of 39.9 N·m for RAC and 17.2 N·m. The forged steel head ensures durability.

Where to buy the DSZH double torque wrench in Singapore?

You can source the DSZH double torque wrench TA771WT-23 from 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this HVAC tool.

How to use the DSZH double torque wrench for HVAC installation?

To use the DSZH double torque wrench, select the appropriate head size (1/4" or 3/8") for your fastener. The ergonomic handle and grip line provide comfort during use. When using two wrenches, maintain distance to avoid hand contact. Apply torque until the preset value is reached for accurate tightening.

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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