Foam Retention Plate for PondoVac 3 and 4 Vacuums The Oase PondoVac 3 / 4 filter retainer plate (part 27183) holds the filter foam securely in the vacuum's intake path during operation. Without the plate, the foam can shift or fold, allowing debris to bypass the filter and enter the pump chamber — leading to clogs and reduced suction. Keeps the Filter in Place The retainer plate is a simple grid that presses the foam flat across the full intake area. If the plate is broken or bent, the foam edges curl up and create gaps. Replacing the plate is a quick fix that prevents expensive pump damage downstream. Specification Details Compatible Models PondoVac 3, PondoVac 4 Part Number 27183 Type OEM filter retainer plate Installation Open the vacuum housing and remove the old retainer plate. Seat the new plate over the filter foam, ensuring it presses the foam flat with no gaps at the edges. Close the housing and confirm the clamp engages fully. Ideal for PondoVac 3 and 4 owners who notice debris bypassing the filter foam during vacuuming.
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