33.31.01 - Universal Boiler Safety Valve Sleeve

Universal Silicone Sleeve for Espresso Machine Boiler Safety Valve – Protective 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 system—essential 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 hose – prevents scalding, component damage, or messy leaks inside the machine
• Provides thermal insulation and splash protection for the valve – reduces burn risks during service or accidental contact
• Extends valve life by shielding from drips, scale buildup, and environmental wear
• Easy DIY replacement – restores factory-like safety and cleanliness when original sleeves crack, harden, or go missing
• Food-safe silicone – compliant for professional café use; withstands repeated high-heat cycles without breaking down