Description
Universal Silicone Sleeve for Espresso Machine Boiler Safety ValveProtective Cover with 10mm ID Drain Hose Connection – Fits Valve 33.31.02 – Universal Boiler Safety Valve 3/8
Safeguard your espresso machine’s boiler safety valve (pressure relief valve/PRV) with this high-quality silicone protective sleeve. This durable cover slides over the valve to provide insulation, prevent burns, protect against splashes, and direct discharged steam/hot water safely through a connected 10mm ID hose to the drip tray or drain systemessential for safe, clean operation in commercial and home setups.
Perfect as a replacement or upgrade for worn, cracked, or missing sleeves on major brands. It keeps hot discharges contained, reduces scalding risks, and maintains a tidy machine interior.
Note: Confirm valve body diameter for perfect fit; works with most 3/8″ 1.8 bar safety valves and similar.
Key Benefits & Why You Need This Silicone Sleeve
- Directs hot steam/water discharge safely via 10mm ID hoseprevents scalding, component damage, or messy leaks inside the machine
- Provides thermal insulation and splash protection for the valvereduces burn risks during service or accidental contact
- Extends valve life by shielding from drips, scale buildup, and environmental wear
- Easy DIY replacementrestores factory-like safety and cleanliness when original sleeves crack, harden, or go missing
- Food-safe siliconecompliant for professional caf use; withstands repeated high-heat cycles without breaking down









