4 Steps to Replace a Broken Weir Door Yourself

Check if the weir door needs replacing If it doesn’t swing freely, is cracked, warped, or missing, replace it. A broken door lets debris float back into the pool and reduces skimmer suction.

Measure the skimmer opening width Measure the slot the door sits in. Most residential skimmers use a standard size, but always measure to be sure.

Buy a replacement weir door Universal weir doors exist—just match the width. Expect to spend about $20. Don’t worry about the exact shade of black; it won’t affect performance.

Pop out the old door and snap in the new one Remove the old door from its hinge pins, then snap the new one into place. The whole job takes about ten minutes and needs no special tools.