Description
The Armstrong Furnace R41476-004 is an OEM liquid line service valve engineered as a direct replacement for compatible Armstrong Furnace systems. Liquid line service valves play a critical role in HVAC refrigeration circuits, allowing technicians to isolate, service, and charge the system without releasing refrigerant into the atmosphere — saving time and improving service efficiency.
Key Features
- OEM-quality replacement part designed for Armstrong Furnace equipment
- Installed on the liquid line of the refrigerant circuit for system isolation and serviceability
- Enables safe refrigerant recovery, charging, and system diagnostics
- Engineered for a precise, leak-free fit in compatible Armstrong Furnace applications
- Durable construction for long-term reliability in residential and light commercial HVAC systems
Application
This service valve is intended for use on the liquid line of Armstrong Furnace HVAC systems. It provides a dedicated access point for manifold gauge sets, allowing HVAC technicians to monitor system pressures, recover refrigerant, and recharge the system with accuracy. Always verify compatibility with your specific Armstrong Furnace model before installation.
Why Choose OEM Parts?
- Guaranteed fit and function for Armstrong Furnace equipment
- Maintains system warranty compliance
- Reduces the risk of refrigerant leaks associated with aftermarket substitutes
- Supports efficient, professional-grade service calls







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