031-0090 CHECK VALVE SANBORN - REPLACED WITH E101362 FM513/WH4 GENERAC PRESSURE WASHER PARTS 423238MA PULLEY MURRAY

423238MA PULLEY MURRAY

K5351-99020

USE SPRING 055-0005 WITH THE 105-0004 REPAIR KIT AND KNOB 137-0001

279-32902-J1 INSULATOR W/GASKET

031-0090 CHECK VALVE SANBORN - REPLACED WITH E101362 FM513/WH4 GENERAC PRESSURE WASHER PARTS 423238MA PULLEY MURRAY031 0090 CHECK VALVE SANBORN REPLACED WITH E101362 Check valve failure is caused by issues like debris contamination, wear and tear, improper installation (wrong direction sizing), water hammer, material incompatibility (corrosion), and operating outside design limits (high temp pressure). These factors lead to the valve not sealing, sticking open, or vibrating excessively, causing leaks, backflow, or blockage.