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Titan 0508315 Inlet Valve Housing O-Ring

Titan 0508315 Inlet Valve Housing O-Ring

Sourced From:
Titan Tools Inc.

 

Titan part 0508315 is an inlet valve housing O‑ring used to seal the inlet valve housing on compatible SprayTech Airless EP2205 and EP2105 sprayers. This direct‑replacement O‑ring prevents fluid leaks and air ingestion, ensuring proper priming and consistent pressure.

Part Number 0508315
Part Description Inlet Valve Housing O‑Ring
Brand Titan
Fits
  • SprayTech Airless EP2205
  • SprayTech Airless EP2105
Condition New

$3.4

 

Inlet Valve Housing O‑Ring for SprayTech EP2205 / EP2105 (Titan Part)

The Titan 0508315 Inlet Valve Housing O‑Ring is a genuine OEM replacement seal designed for the inlet valve housing on SprayTech Airless EP2205 and EP2105 sprayers. It creates a leak‑tight seal between the inlet valve housing and the pump body, preventing paint from leaking externally and stopping air from being drawn into the fluid stream.

A worn, flattened, or damaged inlet valve housing O‑ring can cause fluid leaks from the inlet area, difficulty priming, loss of prime during operation, or erratic spray performance. Replacing this O‑ring restores proper sealing and reliable sprayer function.

Service Guidance: When replacing the inlet valve housing O‑ring, inspect the valve housing and pump body sealing surfaces for nicks, corrosion, or debris. Lubricate the new O‑ring with a compatible seal lubricant before assembly.

What it does and when to replace it

What the inlet valve housing O‑ring does
Prevents external leaks Seals the joint between inlet housing and pump body
Blocks air ingestion Prevents air from being sucked into the fluid stream
Maintains prime Helps the sprayer retain prime during operation and between cycles
When replacement is recommended
Fluid leak at inlet housing Paint weeping from between housing and pump body
Loss of prime / hard to prime Sprayer loses prime easily or requires repeated priming
Air bubbles in fluid stream Intermittent spitting or foamy paint from air ingestion
Flattened or cracked O‑ring Visible damage during service; O‑ring has lost elasticity

Compatibility

Titan 0508315 is compatible with the following SprayTech Airless models. Always confirm fitment using the parts diagram for your specific machine.

Brand / Model Component
SprayTech Airless EP2205 Inlet Valve Housing O‑Ring
SprayTech Airless EP2105 Inlet Valve Housing O‑Ring

Related parts commonly serviced together

When replacing the inlet valve housing O‑ring, these related components are often inspected or replaced at the same time to ensure a complete repair.

Inlet valve assembly

Includes valve stem, spring, and seat. Inspect for wear or debris that may affect sealing.

Inlet valve housing

Check for cracks, corrosion, or damaged sealing surfaces.

Outlet valve / packing set

If the sprayer has general pressure problems, consider a full fluid section overhaul.

Frequently Asked Questions

It is an inlet valve housing O‑ring used on SprayTech Airless EP2205 and EP2105 sprayers. It seals the connection between the inlet valve housing and the pump body.

Common signs include paint leaking from the inlet housing area, difficulty priming or loss of prime, air bubbles in the spray pattern, or a visible damaged/flattened O‑ring during disassembly.

While a generic O‑ring with the correct dimensions may work, Titan recommends genuine 0508315 to ensure proper material compatibility with paints and solvents, as well as correct durometer (hardness) for reliable sealing.

It is good practice to inspect the inlet valve assembly (valve stem, spring, and seat) and the outlet valve packings. However, the inlet valve housing O‑ring can be replaced independently if no other issues are present.