COVID-19 : Tubs Parts is open. We will do everything we can to deliver your order as quickly as possible.
Pipes and hoses
Most hot tubs are manufactured with pipework in imperial sizes, with names in inches. Note that the name of the pipe does not correspond to the actual size in inches! We know... it's confusing. Here are the exterior diameters of the different pipe sizes commonly found in spas and hot tubs: