Response to Hi, Tricia. Remove the o-ring to see if the lid would fit onto the base. If it does, lubricate the o-ring to see if it will now fit. If it does not, measure the o-ring to make sure it's a 1/4" thick. If not, replace the Body O-ring - 87300400. 

An image is worth 1,000 words! Add an image or two to your comment to help ensure it is understood accurately.



Yes, please email me exclusive discounts, swimming pool tips and helpful how to guides. This comment may be posted on a public site. Do not include: HTML, references to other retailers, pricing, personal information, or any profane, inflammatory language.