A 2-pack of 1734 lockdown washer replacement parts engineered for Crathco Cecilware commercial bubbler beverage dispensers. The kit fits a full range of classic and heated bubbler models including single, double, and triple bubblers, D15, D155, D25, D35, E29, E49, G-Cool, HD15, WD-15, WD-25, WD-35, WHD15, WHD15L, and dozens more variants. The washer secures the pump cover and keeps the dispensing valve assembly firmly seated, preventing slow leaks and maintaining a steady drink flow across thousands of dispense cycles. The 2.24 x 2.2 x 0.35 in. profile matches the factory spec exactly, no shim, no machining, no oversize gasket. Keep 1 pair in the parts kit so a juice or punch dispenser stays in service through a weekend brunch rush. Material: Plastic.