Clean-water tank H-303763001 houses the detergent container and holds the water that mixes with the detergent. This part is compatible with models including; FH50230,FH50220,FH50220 Series B,FH50220 Series A,FH50240,FH50210,FH50210 Series A,FH50210 Series B,FH50230 Series B,FH50230 Series A,FH50240 Series A,FH50240 Series B,FH50240 Series C