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Hi, there! Thank you for posting a question about our American Standard 7381091-400.0070A dual flush valve repair kit. It is possible that there is an obstruction in the toilet. Or the water from the tank is not entering fast enough. If there is swirling in the bowl, it's an indicator that the water from the tank isn't entering the bowl fast enough to create the needed pressure to flush. Begin by putting about 1-1/2 gal of water in a bucket, then quickly pour that into the bowl. If it flushes okay the lines under the toilet are okay. Use a compact mirror to look up the top lip of the bowl and you will see the small holes where the water enters the bowl. It is possible that those holes are partially or completely obstructed by scaling or debris. Hope this helps. Thank you and we hope to see you again here at PlumbersStock.com!

Hello! We appreciate you posting a question under our American Standard 7381091-400.0070A dual flush valve. Please see instructions 10 and 11 on page 3 of this installation manual for setting the water level. We hope that this helps. As our valued customer, you can take advantage of our exciting deals and special discounts. Please sign up for our newsletter by entering your email address in the field provided below and get the latest updates on PlumbersStock's exclusive promotions. Thanks for choosing PlumbersStock.com as your online shopping buddy. Have a great day!

Hi! Thank you for your query about the American Standard 7381091-400.0070A toilet. If your toilet runs intermittently, most certainly this is caused by a bad flapper or flapper seat. Cleaning the flapper seat or replacing the flapper if it’s worn or damaged can be the solution to this problem. We hope this helps. Thank you for trusting PlumbersStock. Have a great day!

Hi, there! Thank you for your interest in ourAS 7381091-400.0070A dual flush valve repair kit. We would be happy to help , but first, we need to know what watering product and model number will this dual flush valve be fitted in. If you need more information, please contact our customer service representative @ 435-868-4020 or E-mail us @ support.plumbersstock.com. Thank you and have a great day!

Correct email address: support@plumbersstock.com