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2440405 By-Pass Valve Assembly is a genuine OEM replacement component for compatible Titan airless sprayers.
It regulates fluid recirculation during priming and spray-off conditions by allowing material to flow back to the container when the gun is not engaged. This prevents excessive pressure buildup in the system and helps protect the pump from unnecessary strain.
When the by-pass valve becomes worn, stuck, or damaged, it can lead to priming difficulties, unstable pressure, or inconsistent spray output. Replacing the assembly restores proper priming function, stable pressure control, and reliable sprayer performance.