PIETRO FIORENTINIKITS A/400_304
Spare kits for A/400 low‑pressure governors together with 304/A pilot service parts (where a pilotized control or accessory is present in the station). A/400 is a compact appliance/line regulator used on residential/industrial low‑pressure gas service; kits typically include diaphragms, valve seats, O‑rings and vent components for preventive maintenance.
