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JB INDUSTRIES Single-Connection Access Valve - Single-Connection Access Valves
JB INDUSTRIESSingle-Connection Access Valves

JB INDUSTRIES Single-Connection Access Valve

The JB INDUSTRIES Access Valve is a single-connection access valve designed for HVAC and refrigeration systems. This 1/4 in Male Sweat valve includes a cap and features a Line 3/8 in Sweat Female connection, with a…

SKU 3G-OTH-70931

Also listed as: A 31724 · A-31724

Brand
JB INDUSTRIES
Item
Single-Connection Access Valve
Category
Single-Connection Access Valves
Available to Order
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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

JB INDUSTRIES
Manufacturer Part Number
A31724
Type
Line 3/8 in Sweat Female, 3 PK
Lg
2 3/8 in
Includes
Cap
Product Type
Access Valve

Technical Documents

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JB INDUSTRIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JB INDUSTRIES Access Valve is a single-connection access valve designed for HVAC and refrigeration systems. This 1/4 in Male Sweat valve includes a cap and features a Line 3/8 in Sweat Female connection, with a length of 2 3/8 in. It is sold in a pack of 3, with manufacturer part number A31724.

Frequently Asked Questions

What is a JB INDUSTRIES access valve used for?

A JB INDUSTRIES access valve provides a service port for charging, evacuating, or testing HVAC and refrigeration systems. It connects to the line set via sweat fittings, allowing technicians to access refrigerant lines for maintenance or repair without permanent system modification.

What are the specifications of the JB INDUSTRIES A31724 access valve?

The JB INDUSTRIES A31724 access valve has a 1/4 in male sweat connection and a line 3/8 in sweat female connection, with a length of 2 3/8 in. It includes a cap and is sold in a pack of 3. The manufacturer part number is A31724.

Where to buy JB INDUSTRIES access valves worldwide?

3G Electric supplies JB INDUSTRIES access valves worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine JB INDUSTRIES parts to your facility, regardless of location. Contact us for a quote and delivery options.

How to install a JB INDUSTRIES sweat access valve?

To install a JB INDUSTRIES sweat access valve, clean and flux the male sweat end and the mating line. Braze or solder the connection using a suitable torch, ensuring no overheating. Allow to cool, then attach the cap. Always follow standard HVAC brazing practices and system pressure ratings.

Used in

Common applications for JB INDUSTRIES
Refrigeration system servicing — JB INDUSTRIES analog pressure gauges (QC-G864) for monitoring low-side pressures
HVACR installation — JB INDUSTRIES capillary tubing (TC-36-12) for metering refrigerant in split systems
Commercial air-conditioning maintenance — JB INDUSTRIES saddle piercing valves (A32906) for adding access ports to copper lines
Evacuation and charging — JB INDUSTRIES valve core removers (CM-CRTOOL) for rapid core extraction during pump-down
Field service hose connections — JB INDUSTRIES low side charging hoses (CLS-60B) for connecting manifold gauges to systems
Flow control in service lines — JB INDUSTRIES mini ball valves (MBV5-03) for isolating sections during repair

JB INDUSTRIES Products

3G Electric supplies JB INDUSTRIES single-connection access valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Single-connection access valve with 3/16 in male sweat connection and 3/16 in sweat female line. Length 2 3/8 in. Includes cap. Sold in pack of 3. Used for pressure testing, charging, or evacuating refrigerant lines in HVAC and refrigeration systems
JB INDUSTRIES
Single-connection access valve with 3/16 in male sweat connection and 3/16 in sweat female line. Length 2 3/8 in. Includes cap. Sold in pack of 3. Used for pressure testing, charging, or evacuating refrigerant lines in HVAC and refrigeration systems
Single-connection access valve with 1/4 in SAE access and line connections, 2 3/8 in length. Includes protective cap. Used as a service port for pressure testing, charging, or evacuation in refrigeration and HVAC systems
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Single-connection access valve with 1/4 in SAE access and line connections, 2 3/8 in length. Includes protective cap. Used as a service port for pressure testing, charging, or evacuation in refrigeration and HVAC systems
Single-connection access valve tee with 1/4 in Male SAE connection and 7/8 in Slip Fit line. Includes cap and valve core. Length 1 7/8 in. Used for accessing refrigeration or HVAC systems for service, charging, or pressure testing
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Single-connection access valve tee with 1/4 in Male SAE connection and 7/8 in Slip Fit line. Includes cap and valve core. Length 1 7/8 in. Used for accessing refrigeration or HVAC systems for service, charging, or pressure testing
Single-connection access valve with 3/16 in sweat connection, featuring 1/4 in and 3/8 in sweat female line sizes. Sold in a 5-pack. Used for accessing HVAC and refrigeration systems to measure pressures, add refrigerant, or perform system checks
JB INDUSTRIES
Single-connection access valve with 3/16 in sweat connection, featuring 1/4 in and 3/8 in sweat female line sizes. Sold in a 5-pack. Used for accessing HVAC and refrigeration systems to measure pressures, add refrigerant, or perform system checks
Multi-connection access valve tee with 1/4 in SAE male swivel connections and a valve core. Includes cap. Length 3 in. Sold in pack of 3. Used to provide service access for pressure testing, charging, or evacuating refrigerant lines in HVAC and refrigeration systems
JB INDUSTRIES
Multi-connection access valve tee with 1/4 in SAE male swivel connections and a valve core. Includes cap. Length 3 in. Sold in pack of 3. Used to provide service access for pressure testing, charging, or evacuating refrigerant lines in HVAC and refrigeration systems
Multi-connection access valve tee with 1/4 in SAE male swivel connections and integrated valve core. Includes cap, 3 in length, sold as a 3-pack. Used in HVAC and refrigeration systems to provide service ports for charging, evacuation, or pressure testing
JB INDUSTRIES
Multi-connection access valve tee with 1/4 in SAE male swivel connections and integrated valve core. Includes cap, 3 in length, sold as a 3-pack. Used in HVAC and refrigeration systems to provide service ports for charging, evacuation, or pressure testing

More from JB INDUSTRIES

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Single-connection access valve tee with 1/4 in Male SAE access connection and 3/8 in Slip Fit line. Includes cap and valve core. Pack of 3. Used for accessing refrigeration or HVAC systems for service, testing, or charging
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Single-connection access valve tee with 1/4 in Male SAE access connection and 3/8 in Slip Fit line. Includes cap and valve core. Pack of 3. Used for accessing refrigeration or HVAC systems for service, testing, or charging
Single-connection access valve tee for HVAC and refrigeration service. Provides a 1/4 in Male SAE service port for pressure testing, charging, or evacuation. Features a 3/4 in Sweat Female line connection for installation on copper tubing. Includes cap and valve core. Length: 3 in
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Single-connection access valve tee for HVAC and refrigeration service. Provides a 1/4 in Male SAE service port for pressure testing, charging, or evacuation. Features a 3/4 in Sweat Female line connection for installation on copper tubing. Includes cap and valve core. Length: 3 in
Single-connection access valve tee for HVAC and refrigeration service. Features a 1/4 in Male SAE access port and 5/16 in Sweat Female line connection. Measures 3-1/4 inches in length. Sold in a pack of 3
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Single-connection access valve tee for HVAC and refrigeration service. Features a 1/4 in Male SAE access port and 5/16 in Sweat Female line connection. Measures 3-1/4 inches in length. Sold in a pack of 3
Single-connection access valve tee with 1/4 in Male SAE access port and 5/8 in Sweat Female line, 3 inches in length. Includes cap and valve core. Used in HVAC and refrigeration systems to provide a service port for pressure testing, charging, or evacuating refrigerant lines via brazed copper tubing
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Single-connection access valve tee with 1/4 in Male SAE access port and 5/8 in Sweat Female line, 3 inches in length. Includes cap and valve core. Used in HVAC and refrigeration systems to provide a service port for pressure testing, charging, or evacuating refrigerant lines via brazed copper tubing
Single-connection access valve tee for HVAC and refrigeration service. Provides a 1/4 in Male SAE access port for pressure testing, charging, or evacuation. Features a 3/8 in Sweat Female line for brazing into copper tubing. Length 3 in, sold in a pack of 3
JB INDUSTRIES
Single-connection access valve tee for HVAC and refrigeration service. Provides a 1/4 in Male SAE access port for pressure testing, charging, or evacuation. Features a 3/8 in Sweat Female line for brazing into copper tubing. Length 3 in, sold in a pack of 3
Single-connection access valve for HVAC and refrigeration service. Features a 3/16 in male sweat connection and a 1/4 in sweat female line, 2 3/8 in length. Includes valve core. Sold in pack of 3. Used for pressure testing, charging, or evacuating refrigerant systems via permanent brazed installation on copper lines
JB INDUSTRIES
Single-connection access valve for HVAC and refrigeration service. Features a 3/16 in male sweat connection and a 1/4 in sweat female line, 2 3/8 in length. Includes valve core. Sold in pack of 3. Used for pressure testing, charging, or evacuating refrigerant systems via permanent brazed installation on copper lines
Single-connection access valve tee for HVAC/R service. Features a 1/4 in male SAE connection and a 1/4 in sweat female line. Measures 3 1/4 inches in length. Supplied in a pack of 3
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Single-connection access valve tee for HVAC/R service. Features a 1/4 in male SAE connection and a 1/4 in sweat female line. Measures 3 1/4 inches in length. Supplied in a pack of 3
Single-connection access valve with 1/4 in Male SAE connection and 1/8 in NPT Male line connection, 3-1/4 in length. Sold in a pack of 5. Used in HVAC and refrigeration systems to provide a service port for pressure testing, evacuation, or charging refrigerant
JB INDUSTRIES
Single-connection access valve with 1/4 in Male SAE connection and 1/8 in NPT Male line connection, 3-1/4 in length. Sold in a pack of 5. Used in HVAC and refrigeration systems to provide a service port for pressure testing, evacuation, or charging refrigerant