Response to The back-up valve should be what pulls it out of corners. To check that, simply set the hose with the valve section on the deck. The water in the back-up valve should shift directions every couple of minutes, if it is working properly. Here is the Manual for the Polaris 3900 Sport.
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.