Description This 2 pack of Stenner #2 Replacement Pump Tubes will keep your Classic Series Stenner pump running smoothly. The pump tube is the workhorse of the pump and requires scheduled replacement according to the needs of each individual application. It is perishable and will eventually stop functioning from natural wear or when it reaches the end of its service life. Indications of the end of service life are: Tube leaks Tube is fatigued causing a reduction or lack of output The pump tube service life can be reduced by conditions of the application or the installation. These conditions are: Calcium or mineral deposits Sediment blockages Chemical incompatibility Corrosion Improper handling Pump Tube Pressure Rating; Classic, SVP, M128: 0-25 PSI (0-1.7 bar): #1, 2, 3, 4, 5; 26-100 PSI (1.8-6.9 bar): #1, 2, 7 check valve required
