The Replacement Top Caps can be replaced by simply inserting them onto the top of the deck drain, and snapping into place. It's That simple. However, this product will only fit the Frontier brand of pool deck drain with removable tops. (It Will not fit on the old style "Deck–O–Drain" 1-piece type drains.)
Replacement Cap – For Deck–O–Drain – 4' Length dot Replace sections. dot PVC adhesive should be applied to the expansion joint top for a permanent bond
DECK–O–DRAIN drainage system provides an effective drainage system for concrete pool decks, effectively collecting and carrying water away quickly from pool .
DECK–O–DRAIN accessories are available for simplified job site installation. Also available are product application diagram and application directions.
Amazon.com: Deck–O–Drain End Cap: Garden & Outdoor.. Pools, Hot Tubs & Supplies; ›; Parts & Accessories; ›; Pool & Spa Replacement Parts. . Best Sellers Rank, #151,528 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
If that doesn't work replacing it would be the best alternative. Make sure you break up the Deck–O–Drain carefully to avoid cracking the concrete or pool deck.
R1 Supply – Deck–O–Drain "T" Fitting Tan.. center channel for better flow, thicker wall dimensions, and a cutting ledge on the inside for top replacement.
Replacement Cap for Quaker Drain. Concrete. Replacement Cap for Common Deck Drain. Concrete. 3″ Water Hog ® – Replacement Tops, 6′ lengths.