Heat Exchange Boiler Cartridge Ø 52×165mm G 3/8" M Fittings

When your machine struggles to maintain steam pressure or brew temperature, a worn heat exchange boiler cartridge is often the culprit. This replacement cartridge fits Astoria, Astoria CMA, and Schaerer espresso machines, restoring efficient heat transfer for consistent coffee extraction and reliable steam production.

The cartridge is manufactured with brass CW510L (OT57) connections, a low-lead alloy meeting modern safety standards for water contact components.

Specifications

• Diameter: Ø 52mm
• Length: 165mm
• Connections: G 3/8" M (male)
• Connection material: Brass CW510L (OT57) low-lead content
• Centre-to-centre measurement: 124mm (~5")

Always verify compatibility with your machine's user manual before purchasing.

Compatible Part Numbers