Custom Molded Products Weir

The most reliable way to confirm compatibility is to measure your existing weir door. This model measures exactly 6 inches wide, 5.25 inches high, and 1.125 inches deep. If your current door matches these dimensions, this is likely the correct replacement.

The weir door acts as a one-way gate that regulates water flow into the skimmer. By floating on the surface, it forces water to skim over the top, which effectively traps floating debris like leaves and bugs while preventing them from flowing back into the pool.

No, this is not a universal part. While it is designed to fit many standard skimmer systems, pool equipment varies significantly by manufacturer and model year. Always verify your skimmer's specific model number or measure your old door before purchasing.

Yes, replacing a weir door is a straightforward DIY task. Most standard skimmer weirs are held in place by spring-loaded pins on the sides that snap into the skimmer housing, allowing you to remove the old one and install the new one without any tools.

You should consider a replacement if your current door is cracked, warped, or no longer floats freely. If the door stays stuck in the open or closed position, it cannot effectively skim the surface, which leads to debris buildup and reduced filtration efficiency.