Jandy 7056 Check Valve Cover Flapper Replacement Kit for Zodiac Jandy Its nice to be able to see inside the valve to know it is working-- when it fails it is . Jandy 7056 Check Valve Cover Flapper Replacement Kit for Zodiac Jandy . Its nice to be able to see inside the valve to know it is working-- when it fails it is . Just installed 2 of these about 1 month ago, and so far, all is great! Pentair R172288 Corrosion Resistant Check Valve Replacement Pool and Spa Automatic . We carry a wide variety of pool check valves for all you pool and spa needs. . Jandy 7056 Check Valve Replacement Parts for valves 7235, 7305, 7307, 7511, . The function of the Check Valve is to stop water from doing what it naturally does when the pool turns off . Swimming pool check valve flapper has broken off inside of valve , a 'non-serviceable' valve. This one had . 30 reviews of Jandy 7235 Standard Check Valve from , Long Lasting Replacement for 10 year old model . Only replaced because I re-plumbed the filter/pump equipment. . It works great and the spring 'feels' strong enough to support even . This guide shows you have to replace a Spring Check Valve. Mar 4, 2009 - The bottom line is that the Jandy check valve you have at the label . Then, replace the suction and return 3 way diverters ONLY with new o-rings. Check out these tips for a great-looking outdoor area that needs less water.