Drain valve PBM-I 20-30-40 De Dietrich 770233700

The drain valve PBM-I 20-30-40 is a service valve used to drain water or other fluids from the system during maintenance or repairs. Located at low points in the piping, it allows for easy removal of fluid without disassembling components. Essential for boiler and burner upkeep, this valve helps prevent corrosion and facilitates system flushing. Replace a leaking or stuck drain valve to ensure proper maintenance access and system longevity.