Petersen Replacement Access Door 100-0773

The Petersen Replacement Access Panel Cover (Part #100‑0773) is a durable polyethylene cover designed for Petersen concrete automatic waterers. Measuring approximately 10.5″ × 18 7/8″, this easy-to-install panel provides convenient access to the underside of the waterer for quick maintenance or hose-down cleaning. Built tough for all-weather reliability, it keeps your system accessible, protected, and operating smoothly year-round.