Description
The Armstrong Furnace R103366-26 is an OEM thermostatic expansion valve (TXV) engineered for use in Armstrong Furnace HVAC systems. Designed as a direct factory replacement, this valve ensures accurate refrigerant flow control and optimal system performance.
Product Overview
The thermostatic expansion valve (TXV) is a critical refrigeration system component responsible for metering the flow of refrigerant into the evaporator coil. By maintaining the correct superheat level, the TXV protects the compressor from liquid slugging while maximizing heat transfer efficiency across the evaporator. The Armstrong Furnace R103366-26 is built to OEM specifications, making it the ideal replacement for worn or failed valves in compatible Armstrong Furnace equipment.
Key Features
- OEM replacement TXV valve for Armstrong Furnace systems
- Precisely meters refrigerant flow to the evaporator coil
- Maintains proper superheat for compressor protection
- Engineered to factory specifications for direct drop-in replacement
- Helps restore peak system efficiency and cooling capacity
- Durable construction for long-lasting, reliable operation
Application
- Designed for use in Armstrong Furnace HVAC systems
- Suitable for residential and light commercial applications
- Ideal for service technicians performing refrigerant circuit repairs or maintenance
Why Choose an OEM TXV?
Using a genuine OEM thermostatic expansion valve ensures compatibility, correct refrigerant flow rates, and reliable long-term performance. Aftermarket substitutes may not meet the precise specifications required by your Armstrong Furnace system, potentially leading to reduced efficiency or premature component failure.







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