2440405 By-Pass Valve Assembly is a genuine OEM replacement by‑pass valve assembly for Titan airless sprayers. This valve allows fluid to recirculate back to the container during priming or when the spray gun is triggered off, preventing pressure buildup and protecting the pump. A worn or stuck by‑pass valve can cause difficulty priming, pressure loss, or erratic spray performance. Replacing the by‑pass valve assembly restores proper priming function and consistent pressure control.
| Part Number | 2440405 |
|---|---|
| Part Description | By-Pass Valve Assembly (includes valve, spring, seals) |
| Brand | Titan |
| Fits | Impact X 540i, 440, 410 |
| Condition | New |
The Titan 2440405 By‑Pass Valve Assembly is a critical component of the fluid circulation system on Impact X series sprayers. It allows material to recirculate back to the container when the spray gun trigger is released, preventing excessive pressure buildup and pump damage. During priming, the by‑pass valve directs fluid back to the container to purge air from the system.
Over time, the by‑pass valve can become stuck open or closed, or its internal seals can wear out. A faulty by‑pass valve may cause difficulty priming, loss of pressure while spraying, erratic pressure, or material leaking from the by‑pass port. Replacing the valve assembly with an OEM component restores proper priming, pressure regulation, and pump protection.
| Pressure relief | Returns fluid to container when gun is off, preventing overload |
|---|---|
| Priming aid | Recirculates material to purge air during startup |
| Pump protection | Prevents dead‑heading that could damage pump or motor |
| Difficulty priming | Sprayer won't prime or takes excessive time to prime |
|---|---|
| Pressure loss with gun open | Pressure drops significantly when spraying |
| Erratic pressure | Pressure surges or fluctuates during operation |
| Leak from by‑pass port | Material seeping from the by‑pass return line |
Part 2440405 is the OEM by‑pass valve assembly for the following Titan sprayer models. Always verify with your machine's parts diagram.
| Brand / Model | Component |
|---|---|
| Impact X 540i | By‑Pass Valve Assembly |
| Impact X 440 | By‑Pass Valve Assembly |
| Impact X 410 | By‑Pass Valve Assembly |
When replacing the by‑pass valve assembly, inspect or replace these related components.
The by‑pass valve and pressure sensor work together for pressure control; check for faults.
A worn gun seal can cause pressure symptoms similar to a bad by‑pass valve.
Restricted inlet can also cause priming issues; inspect and clean.
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