Kromschroder Spare parts kit 74922182

This spare parts kit from Kromschroder is intended for servicing VGBF25..10 and VGBF 25..10 gas pressure regulators with a nominal diameter of 25 mm. It contains diaphragms, seals, gaskets and other wearing elements for periodic replacement. The kit restores the regulator’s factory output pressure setting (up to 10 mbar) and full tightness. It is designed as a complete overhaul set for these regulators.

Parts of this kind are selected by matching the regulator’s exact model and revision; internal dimensions and seal profiles differ between variants. Before ordering, compare the set’s contents with the device’s exploded diagram or parts list. During installation, disassemble the unit, remove the old diaphragms and seals, clean the internal faces, and fit the new components as per the manufacturer’s instructions. Verify that the set includes any required lubrication or fitting notes.

In service, these wearable parts degrade and typically cause loss of tightness, gas leakage, or unstable output pressure with poor modulation. The equipment may respond with a safety lockout, often after suspected leakage, or the burner may operate at an incorrect pressure. Check the diaphragms and seals for cracks, deformation or hardening. If the unit has run for several years, or after a lockout caused by leakage, replacement of the internal set is a recommended first step.