Description
The Marvair 40343 Valve Plate Kit with Gasket is an OEM-grade replacement component engineered to restore proper compressor function in Marvair HVAC systems. Designed for a precise fit, this kit includes both the valve plate and the accompanying gasket, ensuring a complete, leak-free installation without the need to source parts separately.
Why Replace Your Valve Plate?
The valve plate is a critical internal compressor component responsible for directing refrigerant flow through the suction and discharge ports. Over time, valve plates can wear, crack, or warp — leading to reduced compression efficiency, increased energy consumption, and potential compressor failure. Replacing the valve plate and gasket as a kit ensures a proper seal and restores full compressor capacity.
Product Features
- OEM Marvair replacement part — SKU 40343
- Includes valve plate and gasket for a complete repair
- Precision-machined for accurate fit within Marvair compressor assemblies
- Gasket provides a reliable, leak-free seal at the valve plate interface
- Helps restore compressor efficiency and refrigerant flow performance
- Simplifies the repair process with matched components in one kit
Application
This valve plate kit is intended for use in Marvair packaged terminal air conditioners (PTACs), through-the-wall units, and other Marvair climate control systems that utilize compatible compressor assemblies. Always verify compatibility with your specific Marvair unit model before installation.
Installation Notes
- Recommended for installation by a qualified HVAC/R technician
- Ensure system refrigerant is properly recovered before disassembly
- Clean all mating surfaces thoroughly before installing the new valve plate and gasket
- Torque all fasteners to manufacturer specifications to ensure a proper seal







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