Description
The Advanced Distributor Products 167757902A is a Thermostatic Expansion Valve (TXV) engineered specifically for use with R454B refrigerant — a low-GWP, A2L refrigerant increasingly adopted across residential and light commercial HVAC systems as the industry transitions away from higher-GWP alternatives.
Designed to deliver accurate and responsive refrigerant metering, this TXV maintains optimal superheat levels at the evaporator, protecting the compressor from liquid slugging while maximizing system efficiency. As an OEM-grade component from Advanced Distributor Products, it is built to integrate seamlessly into ADP air handler and evaporator coil applications.
Key Features
- Designed for use with R454B low-GWP A2L refrigerant
- Provides precise thermostatic control of refrigerant flow
- Maintains consistent superheat at the evaporator outlet
- Protects compressor from liquid refrigerant slugging
- OEM-grade quality for reliable, long-term performance
- Engineered for compatibility with Advanced Distributor Products coil and air handler systems
Why Choose R454B-Compatible Components?
R454B (sold under trade names such as Opteon XL41) is a next-generation refrigerant with a significantly lower Global Warming Potential (GWP) compared to R410A, making it a preferred choice for new equipment installations under evolving environmental regulations. Using the correct TXV matched to R454B ensures proper system operation, efficiency, and compliance.
Application
- Residential and light commercial split-system air conditioning
- ADP evaporator coil and air handler assemblies
- New installations and OEM replacement applications







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