Product details
QC-19L Low Pressure Quick Coupler
The QC-19L Low Pressure Quick Coupler is designed for efficient and safe servicing of car air conditioning systems. Its 90-degree angled body allows easy access to low-pressure ports, especially in tight engine compartments where straight connectors are difficult to use.
This quick-release coupler enables fast connection and disconnection while helping reduce refrigerant loss during servicing. Built for low-pressure applications, it provides a secure seal and smooth operation for accurate diagnostics and charging tasks. The robust metal construction ensures durability and dependable performance in routine automotive HVAC maintenance.
Ideal for technicians and service professionals, the QC-19L offers convenience, reliability, and precise control during air conditioning service work.
Key Benefits
Quick-release design for fast and easy connection
90-degree angle improves accessibility in confined spaces
Designed specifically for low-pressure applications
Helps minimize refrigerant loss during servicing
Durable construction for repeated professional use
Specifications
Product Type: Low Pressure Quick Coupler
Model: QC-19L
Pressure Type: Low pressure
Thread Type: 1/4 SAE external
Angle: 90 degree
Application: Automotive air conditioning systems
Brand: DSZH
Applications
Car air conditioning service and maintenance
Low-pressure refrigerant charging
System diagnostics and performance checks
Automotive HVAC repair work
FAQs
What is the QC-19L used for?
It is used to connect service hoses to low-pressure ports on car air conditioning systems.
Is this coupler suitable for high-pressure systems?
No, it is designed specifically for low-pressure applications.
What advantage does the 90-degree design offer?
It allows easier access to service ports in tight or hard-to-reach areas.
Does it help prevent refrigerant leakage?
Yes, the quick-release mechanism helps reduce refrigerant loss during connection and disconnection.
What thread size does it support?
It supports a standard 1/4 SAE external thread.

