Hot Tub Manifold for Hot Tub Plumbing or Spa 2" Slip x 2" Slip x (6 Port) 3/4" Waterway Manifold Barb Hot Tub Parts Replacement Spa Plumbing Parts Waterway Spa Manifold 6-Port Rib Barbed 672-7120 - ALL SPA PARTS

• ‼️ Plumbing is measured by inside diameter because this measurement is used to calculate the size of the pipe. The inside diameter measurement is the distance from one side of the pipe's inner wall to the other. This measurement is important because when purchasing fittings such as elbows and couplings, the inside diameter is used to ensure that the correct size is selected. A hot tub 6 port manifold is a plumbing fitting that is used to control the flow of water in a hot tub. It consists of six outlets allowing for individual control of each outlet by adjusting the flow of water from the central inlet. It is made of PVC plastic and is designed to handle the high temperatures and pressures common in hot tubs. Glues inside of a 2" Fitting on the other end which would measure about 2 3/8" ID A hot tub manifold barb plug is a type of plumbing fitting used to close off the end of a manifold port in a hot tub's plumbing system. It is typically made out of plastic and is shaped like a plug with a barb on the end.