CMA 1/4" x 1/4" x 3/8" Expansion Valve common-universal-faema-parts/heating-elements Cold water only: hot water

Cold water only: hot water damages the internal seals

Simple drop-on fit over the hopper opening

Now sold under the Parker brand but built to the original Lucifer specification

either way

CMA 1/4" x 1/4" x 3/8" Expansion Valve common-universal-faema-parts/heating-elements Cold water only: hot waterCMA Expansion (Over Pressure) Valve Combination expansion over pressure valve with a built in one way check valve, protecting the boiler from excess pressure while preventing backflow. SPECIFICATIONS 1 4" x 1 4" x 3 8" valve ports Includes integrated one way retention valve COMPATIBILITY Fits: CMA equipped espresso machines using this 1 4" x 1 4" x 3 8" valve INSTALLATION Should be installed by a qualified technician, as it's part of the boiler's