The washer is not allowed to have a solid connection to the drain because the standpipe is acting as an air gap.
Air gap for washing machine drain. It allows a soft rubber washer hose or aluminum washer drain to hook up to a standpipe fitting 1-12 in. Additionally check and make sure that the bend in your drain hose is above the height of the washing machine. An air gap prevents backwater from ever getting sicked back into your washing machine.
Metal or plastic standpipes. Although it seems to make sense to seal the connection between the washing machine drain hose and the standpipe the plumbing code requires an air gap to avoid a vacuum-induced siphoning of the water out of the washing machine. If the current washing machine is a tub-type consider replacing it with a front-loader type.
Keep in mind that if the drain pipe is too high the water may not drain properly from the washer. The washing machine hose should be hooked into the standpipe and secured from backing out but the small gap around the washing machine hose inside of the standpipe should remain open to allow air. Any air gap is sufficient to prevent back flow.
A standpipe is a vertical piece of pipe. It should specify the proper height and diameter for the home drain pipe. Metal or plastic standpipes.
For draining into standpipes or outlet boxes we offer a specialized water softener air gap. Diy water softener air gap. Keeneys air gap for standpipes is designed for washing machine discharge hoses dehumidifiers water filtration devices water softeners and appliance that drains into a standpipe.
Keeneys air gap for standpipes is designed for washing machine discharge hoses dehumidifiers water filtration devices water softeners and appliance that drains into a standpipe. All ice machine drains need a few inches of space known as an air gap between the ice machines drain termination point and your businesss drain access point. It allows a soft rubber washer hose or aluminum washer drain to hook up to a standpipe fitting 1-12 in.