Rancilio One Group 110V 1200W Heating Element coffee-equipment-parts/installation-parts and without it the basket

and without it the basket won't seat and lock properly in the portafilter

steady twist usually seats it

a stuck safety valve is exactly the failure mode it exists to prevent

and no amount of correct plumbing will stop water hammer with a dead tank

then thread the new temperature probe into the boiler opening using the supplied PTFE gasket - not a beginner DIY task since it involves working on a pressurized boiler fitting

Rancilio One Group 110V 1200W Heating Element coffee-equipment-parts/installation-parts and without it the basketMade by Recor, Rancilio's preferred OEM heating element manufacturer, direct from Rancilio. Rancilio One Group 110V 1200W Heating Element Genuine OEM Rancilio heating element for one group machines with a vertical boiler assembly, rated 110V 1200W and built by Recor, Rancilio's chosen OEM heating element manufacturer. SPECIFICATIONS Voltage: 110V Wattage: 1200W Terminals: 4 (older versions used 2) COMPATIBILITY Fits: Rancilio one group machines,