S3HPR Back-Pressure Safety Valve
Part Number: 1331040 | Household Spare Part

The S3HPR valve is a specialized back-pressure activated safety valve designed for use in espresso machine and small appliance boilers. This valve automatically opens under excess pressure and resets at atmospheric pressure, ensuring reliable boiler safety and pressure regulation.

Key Features:

• 🔁 Self-Activating: Opens automatically when back pressure reaches a preset level

• 🌬️ Atmospheric Reset: Resets safely once pressure drops to atmospheric level in the boiler

• 🛡️ Built-In Safety Valve: Provides essential overpressure protection to prevent boiler damage

• 🧩 Compact Design: Ideal for integration into home espresso machines and other pressurized systems

Technical Specifications:

• ✔️ Valve Type: Self-triggering by back pressure

• ✔️ Reset Mechanism: Atmospheric pressure reset

• ✔️ Includes: Built-in overpressure safety feature

• ✔️ Intended Use: Household espresso machines or compact boilers

⚠️ Important Note: Always ensure valves are installed by qualified technicians or in accordance with your machine's service manual to maintain pressure safety and compliance.