The cartridge is the part you need to repl... Leaky faucets can waste water. Fit a new spring into a new seal, leaving the wider end of the spring exposed. How to Replace the Springs & Seals in a Delta Single Handle Shower Fixture. Your specific faucet may not be covered or featured and could be different. Delta originally introduced this as a kitchen faucet and in short time had the complete line up including bathroom faucets, shower faucets, tub and shower faucets. Online instruction videos recommended using silicon grease on the seat when replacing. A leaking bathroom faucet can seem like a minor issue, but it could wind up costin... A broken diverter valve can lead to faucet leaks Peerless Faucet Company is a highly recognized name in the faucet business. If you've replaced the seats and springs and the problem continues, replace both stem assemblies (Delta Genuine Part RP1740 - one stem assembly per package). Find Delta Faucet repair parts & shower kits and order today! 3. Pop the cap off the front of the faucet handle. Re-insert the cartridge and replace the bonnet, trim sleeve and handle. Lowe's brings you this video about how to fix your leaky faucet. In either case, venturing down through the handles is your path to reach the seats and springs. If there is no alternative way to do it, shut off the main water valve for the house. How to Replace Seats & Springs in a Bathroom Faucet. If you can't do this with your fingers, use a flat-head screwdriver. As a landscape builder, he helped establish two gardening companies. 5. Apply silicone grease (plumber's grease) to the new seat springs and insert them into the cartridge, washer side first. You might be able to lever it off with a screwdriver. //-->.