Description
The Lennox 10W99 is an OEM replacement piston kit designed to maintain accurate refrigerant flow control in compatible Lennox heating and cooling systems. Featuring a .065 orifice size, this piston kit meters refrigerant into the evaporator coil at the correct rate, helping to optimize system efficiency, protect the compressor, and ensure consistent comfort performance.
Key Features
- OEM Lennox replacement piston kit for assured fit and function
- .065 orifice size for precise refrigerant metering
- Engineered to maintain proper superheat and system efficiency
- Helps protect the compressor by preventing liquid refrigerant slugging
- Direct replacement for compatible Lennox systems — no modification required
Application
This piston kit is used as a fixed-orifice metering device in Lennox split-system air conditioners and heat pumps. Selecting the correct piston size is critical to system performance; always verify compatibility with your specific Lennox unit model before installation.
Why Choose OEM Lennox Parts?
Using genuine Lennox replacement components ensures your system operates within factory specifications, maintains warranty compliance, and delivers the reliable performance your customers expect.
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