55 mm Pressurestat Membrane Repair Kit browse-common-espresso-machine-parts/group-gaskets 1-1/4" flange

1-1/4" flange

3/8" BSP No-Return (Check) Valve

this stopper won't fit and you'll need MP40 instead

it may be necessary to buy the individual components separately and assemble them yourself rather than use this complete valve

Valve body replacement

55 mm Pressurestat Membrane Repair Kit browse-common-espresso-machine-parts/group-gaskets 1-1/4" flange55mm Pressurestat Membrane Repair Kit This repair kit rebuilds newer Asco (Sirai) P302 6 pressurestats, restoring accurate boiler pressure switching without replacing the entire pressurestat. COMPATIBILITY Fits: newer Asco (Sirai) P302 6 pressurestats INSTALLATION Moderate difficulty comfortable DIYers can rebuild the pressurestat themselves, but a technician is recommended if you're not familiar with the assembly order. PRO TIPS Assembly order