APPROVED VENDOR Liquid Level Sensor: A2L Compatible, Male NPT Right-Hand
The APPROVED VENDOR Liquid Level Sensor (SKU 4LZH4) is a recovery cylinder level sensor with a brass body, designed for use with R-429A refrigerant. It is A2L compatible and features a male NPT right-hand connection…
SKU 3G-OTH-71191
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Liquid Level Sensor (SKU 4LZH4) is a recovery cylinder level sensor with a brass body, designed for use with R-429A refrigerant. It is A2L compatible and features a male NPT right-hand connection in a silver/tan finish. This sensor is the compatible Grainger replacement for part number 4LZH2.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the APPROVED VENDOR 4LZH4 liquid level sensor used for?
The APPROVED VENDOR 4LZH4 liquid level sensor is used to monitor refrigerant levels in recovery cylinders, specifically for R-429A refrigerant. Its A2L compatibility makes it suitable for low-flammability refrigerant applications in HVACR systems, helping technicians safely track cylinder fill levels during recovery or charging operations.
What are the specifications of the APPROVED VENDOR 4LZH4 liquid level sensor?
The APPROVED VENDOR 4LZH4 is a liquid level sensor with a brass body, A2L compatible, and designed for R-429A refrigerant. It features a male NPT right-hand connection in a silver/tan finish. This sensor is the compatible Grainger replacement for part number 4LZH2, with manufacturer part number 4LZH4.
Where to buy the APPROVED VENDOR 4LZH4 liquid level sensor worldwide?
You can source the APPROVED VENDOR 4LZH4 liquid level sensor 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; we provide reliable sourcing for this A2L-compatible sensor.
How to install the APPROVED VENDOR 4LZH4 liquid level sensor?
Install the APPROVED VENDOR 4LZH4 liquid level sensor by threading the male NPT right-hand connection into a compatible recovery cylinder port. Ensure the sensor is compatible with R-429A refrigerant and A2L systems. Follow standard HVACR safety practices for refrigerant handling and verify proper sealing to prevent leaks.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR recovery cylinder level sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







