Ideal 158504 Gas Sealing Washer 23.8 X 16 X 2

The Ideal gas sealing washer, part 158504, is a flat sealing washer measuring 23.8mm outer diameter, 16mm inner diameter and 2mm thick. It seals gas-carrying joints on Ideal Commercial appliances, sitting between mating faces to stop leakage at the connection. Ideal lists it as a service spare for maintenance and repair work on its commercial range.

• A smell of gas or a detected leak traced to a washer-sealed joint on the appliance
• A failed tightness or let-by test pointing to a connection sealed by this washer
• The washer is visibly flattened, cracked, hardened or perished
• Weeping, staining or residue around a joint after servicing
• The washer is missing or damaged when a joint is opened for repair

• Confirm the appliance model and, where available, the GC number against the compatibility list.
• Check the joint dimensions — 23.8mm outer, 16mm inner, 2mm thick — match the washer being replaced.
• Note the alternative part number 1780014 when cross-referencing against other listings.