Product description Products : one Outlet Air Switch Kit is connection device as a part of garbage disposal, massage chair, soap dispeser or jacuzzi. 1 - the material of our power box is aluminum alloy which is more durabel than different fictile ones on the market. 2 - soaring attribute material , long-lived and does not fade and can be utilized with dripping hands. side by side are the you may meet : Qusetion 1 : How it works ? . 1 : Connect two heads of the air switch kit well, and then push the button, one on and one off . 2 : Why the air switch can not work or do not work well ? . 2 : A. Please check the two connection between air tube with power box and air tube with air switch button. B. PLease check the power of your machine.If the power of your machine is beyond 1HP, it is for the air switch kit to work well.And the recommend power of machines is about 3/4 HP or 560w. : Whether you have problems with your order or products or you want to order massive quantity, please be slaveless to contact us with e-mail, we will online to reply you with working day 24 hours.