Ashbys O-Ring – for Pressure Relief / One-way Valve PC4190
Genuine Ashbys replacement O-ring. This O-ring fits directly into the Ashbys Pressure Relief / One-way Valve PC4190 – a UK-made, highest-quality stainless steel valve used throughout our professional hot solvent and inline heating systems.
Where This O-Ring Is Used
The PC4190 valve is installed mainly in our V2 SteamMate inline heating systems, which are built into:
The same valve is also used in the optional Hot Solvent Cleaning Systems fitted to some of our older:
- Ashbys Sensei machines –
view Sensei range
- Ashbys Ninja machines with built-in hot solvent systems
View the valve this O-ring fits into:
Ashbys Pressure Relief / One-way Valve PC4190
Correct Fit for All PC4190 Valves
This O-ring forms the critical internal seal inside the PC4190 valve, ensuring safe pressure regulation and reliable one-way flow within the V2 SteamMate hot solvent system. One O-ring is required per valve.
Recommended: Replace the Spring at the Same Time
As part of a full service on these valves, we strongly recommend replacing the spring alongside the O-ring. This ensures the valve operates at peak performance under heat and pressure.
Replacement spring available here:
Spring for Pressure Relief / One-way Valve PC4190
Key Features
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Genuine Ashbys part: Ensures correct sealing and long-term reliability.
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Fits PC4190 valve: UK-made, highest-quality stainless steel pressure relief / one-way valve.
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Heat and solvent resistant: Designed for demanding professional carpet cleaning environments.
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Essential service item: One O-ring required per valve.
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Best practice: Replace with the spring for optimal valve performance.
Choose the Ashbys O-Ring for PC4190 Pressure Relief / One-way Valves to maintain safe, reliable performance from your V2 SteamMate hot solvent system.
01795 436999
