Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
INFICON Replacement Sensor for Leak Detectors, A2L Compatible, 703-020-G1 - Replacement Filters & Sensors for Leak Detectors
INFICONReplacement Filters & Sensors for Leak Detectors

INFICON Replacement Sensor for Leak Detectors, A2L Compatible, 703-020-G1

The INFICON Replacement Sensor (MPN 703-020-G1) is a replacement sensor for leak detectors, offering 0.07 oz/yr sensitivity and A2L compatibility. It is compatible with R-448A refrigerant and the AST100 model. This…

SKU 3G-OTH-71611

Also listed as: 703020G1 · 703 020 G1

Brand
INFICON
Item
Replacement Sensor for Leak Detectors, A2L Compatible, 703-020-G1
Part Number
703-020-G1
Category
Replacement Filters & Sensors for Leak Detectors
Available to Order
Also known as:703-020-G1INFICON
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

INFICON
Manufacturer Part Number
703-020-G1
Product Type
Replacement Sensor
A2L Compatible
Yes
Compatible Refrigerant Type
R-448A
Compatible Manufacturer Model Number
AST100

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The INFICON Replacement Sensor (MPN 703-020-G1) is a replacement sensor for leak detectors, offering 0.07 oz/yr sensitivity and A2L compatibility. It is compatible with R-448A refrigerant and the AST100 model. This sensor is designed for use with INFICON leak detectors.

Frequently Asked Questions

What is the INFICON Replacement Sensor 703-020-G1 used for?

The INFICON Replacement Sensor 703-020-G1 is used to restore sensitivity in INFICON leak detectors, specifically the AST100 model. It detects refrigerant leaks with 0.07 oz/yr sensitivity and is A2L compatible, making it suitable for R-448A and other mildly flammable refrigerants in HVAC-R systems.

What are the specifications of the INFICON Replacement Sensor 703-020-G1?

The INFICON Replacement Sensor (MPN 703-020-G1) offers 0.07 oz/yr sensitivity and is A2L compatible. It is designed for use with R-448A refrigerant and the INFICON AST100 leak detector. This sensor is a direct replacement part for maintaining leak detection performance.

Where to buy the INFICON Replacement Sensor 703-020-G1 worldwide?

You can source the INFICON Replacement Sensor 703-020-G1 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this INFICON sensor.

How to install the INFICON Replacement Sensor 703-020-G1?

To install the INFICON Replacement Sensor 703-020-G1, first power off the AST100 leak detector. Remove the old sensor and insert the new one, ensuring proper alignment. Reassemble the detector and perform a leak-check calibration per INFICON's guidelines. Always follow the manufacturer's manual for safe installation.

Used in

Common applications for INFICON
HVAC/R service — INFICON D-TEK infrared leak detectors for locating refrigerant leaks in split systems and rooftop units
Automotive repair — INFICON 718-202-G1 combustible gas detector for detecting gasoline vapors in engine compartments
Refrigerant recovery — INFICON Vortex recovery machine for removing R-410A and A2L refrigerants from commercial AC systems
Vacuum verification — INFICON Pilot Plus digital vacuum gauge for monitoring evacuation levels during system commissioning
Refrigerant charging — INFICON wireless electronic scale for precise weighing of R-134a into refrigeration circuits
Leak detector maintenance — INFICON 724-701-G1 replacement sensor for restoring D-TEK 3 sensitivity in field service kits
Not sure this is the right part? Photo-identify it→

INFICON Products

3G Electric supplies INFICON replacement filters & sensors for leak detectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

More from INFICON

View all INFICON parts →
Replacement sensor for INFICON D-TEK 3 leak detectors. Provides 0.2 oz/yr sensitivity and is A2L compatible. Designed for use with R-600A refrigerant in HVAC and refrigeration systems
INFICON
Replacement sensor for INFICON D-TEK 3 leak detectors. Provides 0.2 oz/yr sensitivity and is A2L compatible. Designed for use with R-600A refrigerant in HVAC and refrigeration systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first