1.1/2" standard fill water hole.

2.Prevent siphon design,can insure the water source is clean.

3.High seal water performance,the water level height is jarless.

4.Low working noise.

5.Adopted POM engineer plastic,long using life.

6.The adjust way of water height is convenient.(Turn the adjustable pole of fill valve deasil or widdershing).       

bottom fill valve 1840