*PLUMBERSSTOCK EXPERT* responded:
Howdy! Thank you for choosing PlumbersStock.com to help you find answers to your plumbing questions. Yes, this Clayton Mark Plunger will work just fine with the Clayton Mark 2506. If you're still having problems, it is recommended that you contact Grigg Industries at 865-377-3663 between 9:00 A.M. - 4:00 P.M. Eastern Time. Let us know if you have any questions. If you want to order this Clayton Mark Plunger, simply hit the "Add to Cart" button, enter your zip code to get a shipping cost estimate and proceed to checkout to begin the ordering process. For quality plumbing products, plumbing questions, and other concerns - PlumbersStock.com is the online shop that you can count on. Thank you and looking forward to seeing you here again at PlumbersStock.com. Enjoy shopping!