Lennox 34W45 - Reversing Valve, 3/8" x 5/8", 24 VAC Solenoid
The Lennox 34W45 is a high-quality OEM reversing valve engineered specifically for use in heat pump systems. Designed to meet Lennox’s rigorous performance standards, this valve plays a critical role in system functionality by directing the flow of refrigerant based on heating or cooling demand.
Built with a 3/8-inch suction line connection and 5/8-inch discharge line connection, this valve is commonly installed in residential and light commercial Lennox heat pumps. It allows your system to switch smoothly between cooling and heating modes by reversing the flow of refrigerant, ensuring optimal comfort year-round.
The 24 VAC solenoid coil activates the internal slide mechanism that redirects refrigerant flow. The solenoid is designed for fast response and reliable actuation, minimizing wear and extending service life. Whether it’s operating in extreme cold or intense summer heat, the 34W45 maintains its performance integrity to keep your system running efficiently.
Technical Specifications:
- Part Number: 34W45
- Solenoid Voltage: 24 Volts AC
- Connection Sizes:
– Inlet: 3/8"
– Outlet: 5/8" - Function: Reverses refrigerant direction for heating and cooling operation
- Compatibility: Select Lennox heat pump systems (consult equipment specifications or technician guide)
- Application: Residential and light commercial HVAC units
Benefits:
- Direct-fit OEM replacement for Lennox systems
- Ensures correct refrigerant routing between condenser and evaporator
- Durable brass and copper construction resists corrosion and fatigue
- Energy-efficient operation supports long-term performance
- Helps prevent system failures caused by flow restriction or valve sticking
Installing the Lennox 34W45 helps maintain manufacturer warranties and ensures your HVAC system operates at peak performance. Whether replacing a faulty valve or performing preventive maintenance, this component is a smart investment in the reliability and comfort of your home or facility.
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