
Fixing a two-handle bathtub faucet with a shower diverter can seem daunting, but with the right tools and a bit of patience, it’s a manageable DIY task. Common issues include leaks, reduced water flow, or a malfunctioning diverter that fails to switch between the tub and shower. The process typically involves shutting off the water supply, disassembling the faucet handles to access the cartridges or stems, replacing worn-out parts like O-rings or washers, and ensuring the diverter mechanism is properly aligned. Understanding the specific components of your faucet model and following a step-by-step guide can help you restore functionality efficiently, saving both time and money on professional repairs.
| Characteristics | Values |
|---|---|
| Tools Required | Screwdriver, pliers, Allen wrench, replacement parts (O-rings, washers, cartridges), grease |
| Steps to Fix | 1. Turn off water supply. 2. Remove handles. 3. Access cartridge/stem. 4. Replace worn parts. 5. Reassemble. 6. Test for leaks. |
| Common Issues | Leaks, low water pressure, shower diverter not working, stiff handles |
| Diverter Mechanism | Typically located in the tub spout or behind the faucet handles |
| Replacement Parts | O-rings, washers, cartridges, diverter valve |
| Difficulty Level | Moderate (requires basic plumbing skills) |
| Time Required | 30 minutes to 1 hour |
| Cost of Repair | $10-$50 (depending on parts needed) |
| Safety Precautions | Turn off water supply, wear protective gloves |
| Maintenance Tips | Regularly clean faucet, check for leaks, lubricate moving parts |
| Compatibility | Specific to two-handle bathtub faucets with shower diverters |
| Brands/Models | Universal repair kits available; specific parts vary by brand (e.g., Delta, Moen, Kohler) |
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What You'll Learn
- Shut Off Water Supply: Locate shut-off valves, turn off water to avoid leaks during repair
- Disassemble Faucet Handles: Remove handles, screws, and caps to access internal components
- Inspect and Replace Washers: Check worn washers, replace with matching size for proper sealing
- Fix Shower Diverter Valve: Clean or replace diverter to ensure water redirects to shower
- Reassemble and Test Faucet: Put parts back together, turn on water, check for leaks

Shut Off Water Supply: Locate shut-off valves, turn off water to avoid leaks during repair
Before you begin repairing your two-handle bathtub faucet with a shower diverter, it’s crucial to shut off the water supply to prevent leaks and water damage during the process. Start by locating the shut-off valves for the faucet. In most homes, these valves are found under the bathtub or in the basement directly below the bathroom. If there are dedicated shut-off valves for the bathtub, they will typically be individual valves for hot and cold water lines. Turn the handles clockwise to shut them off completely. If you cannot find dedicated valves, you may need to turn off the main water supply to the house, usually located near the water meter or where the main water line enters your home.
Once you’ve located the shut-off valves, ensure they are fully closed by testing the faucet. Turn on both the hot and cold water handles to confirm that no water flows out. If water still comes out, double-check that the valves are completely turned off or consider that there might be a separate shut-off valve elsewhere. It’s essential to verify this step to avoid accidental water flow while you’re working on the faucet. If you’re unsure about the location of the valves, consult your home’s plumbing diagram or contact a professional for guidance.
After shutting off the water, open the faucet handles to relieve any residual pressure in the lines. This step is important because even after turning off the valves, there may still be water trapped in the pipes. Let the water run until it stops completely, then close the handles. This ensures that no water will spray out unexpectedly when you disassemble the faucet, making the repair process safer and cleaner.
If you’re working with an older plumbing system or one without shut-off valves near the bathtub, you may need to drain the entire system by opening the lowest faucet in your home after shutting off the main supply. This will help remove any remaining water from the pipes. However, this method is less convenient and should only be used if dedicated shut-off valves are not available. Always prioritize using the closest shut-off valves to minimize disruption to your water supply.
Finally, before proceeding with the repair, double-check that the water supply is indeed off by attempting to run both the faucet and the shower diverter. If no water flows, you’re ready to begin disassembling the faucet. Shutting off the water supply correctly is a critical first step that ensures a smooth and leak-free repair process, saving you time and potential cleanup later.
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Disassemble Faucet Handles: Remove handles, screws, and caps to access internal components
To begin disassembling the faucet handles of a two-handle bathtub faucet with a shower diverter, start by identifying the type of handle you're dealing with. Most handles are secured with a screw, often hidden beneath a decorative cap. Use a flathead screwdriver to gently pry off the cap, exposing the screw underneath. If the cap is stubborn, apply gentle pressure while twisting the screwdriver to avoid damaging the finish. Once the cap is removed, use a Phillips or flathead screwdriver, depending on the screw type, to carefully remove the screw. Keep track of the screw and cap, as they will be needed for reassembly.
With the screw removed, grasp the handle firmly and pull it straight up and away from the faucet stem. If the handle feels stuck, avoid forcing it, as this may damage the handle or stem. Instead, use a handle puller tool, which can be purchased or rented from most hardware stores. Attach the puller to the handle according to the manufacturer's instructions, then apply steady pressure to extract the handle. Be cautious not to stress the faucet body or surrounding tiles during this process.
After removing the handles, inspect the stems for any visible damage, corrosion, or mineral deposits. If the stems appear worn or damaged, they may need to be replaced. However, for routine maintenance or repairs, focus on accessing the internal components. Locate the retaining nuts or escutcheons that secure the stems in place. These are typically found just beneath the handles and may require a wrench or pliers to loosen. Wrap the jaws of the pliers with a cloth to prevent scratching the faucet finish.
Once the retaining nuts are loosened, carefully lift them off the stems, taking care not to disturb any washers or seals beneath. If the faucet has a shower diverter, it is often located near the base of the stems or within the valve body. Accessing the diverter may require further disassembly, depending on the faucet model. At this stage, take note of the order and orientation of the components removed, as this will facilitate proper reassembly.
Finally, with the handles, screws, caps, and retaining nuts removed, you should have clear access to the internal components of the faucet. Inspect the O-rings, washers, and seals for wear, tearing, or mineral buildup. These components are often the culprits behind leaks or reduced water flow. If any parts appear damaged, make a note of their size and type for replacement. Properly disassembling the faucet handles is crucial for diagnosing and addressing issues within the faucet mechanism, ensuring a successful repair.
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Inspect and Replace Washers: Check worn washers, replace with matching size for proper sealing
To begin the process of fixing a two-handle bathtub faucet with a shower diverter, it's essential to focus on the washers, as they are a common source of leaks and malfunctions. Start by turning off the water supply to the faucet to prevent any accidents or water damage during the repair. Then, disassemble the faucet handles by removing the screws or caps that hold them in place. This will expose the stems and washers, allowing you to inspect them for wear and tear. Carefully examine the washers for cracks, flattening, or mineral deposits, as these can compromise their sealing ability. If you notice any signs of damage, it's crucial to replace the washers to ensure a proper seal and prevent leaks.
When inspecting the washers, pay attention to their size and type, as using the wrong replacement washer can lead to further issues. Measure the diameter of the washer and note its thickness, as well as the material it's made of (e.g., rubber, silicone, or ceramic). Take this information to your local hardware store or search online to find matching replacement washers. It's vital to use the correct size and type of washer to ensure a proper fit and sealing. Using a washer that's too small or too large can result in leaks, while using the wrong material can lead to premature wear or incompatibility with the faucet's components.
After obtaining the correct replacement washers, remove the old washers from the faucet stems. This can typically be done by unscrewing a retaining nut or using a specialized tool to pry the washer out. Be gentle when removing the old washers to avoid damaging the stems or surrounding components. Once the old washers are removed, clean the stems and surrounding areas to ensure a smooth surface for the new washers. This can be done using a mild cleaning solution and a soft-bristled brush to remove any mineral deposits or debris.
With the stems cleaned and prepared, install the new washers by following the reverse process of removal. Place the new washer onto the stem, ensuring it's seated correctly and aligned with the stem's grooves or notches. Reattach any retaining nuts or screws, being careful not to overtighten them, as this can cause damage to the washer or stem. Repeat this process for both handles, ensuring that each washer is replaced with a matching size and type. Proper installation of the new washers is critical to achieving a watertight seal and preventing leaks.
Finally, with the new washers in place, reassemble the faucet handles and turn the water supply back on. Test the faucet and shower diverter to ensure they're functioning correctly and that there are no leaks. If you notice any leaks or issues, double-check the washer installation and ensure that all components are tightened securely. By inspecting and replacing worn washers with matching sizes, you can restore proper sealing and functionality to your two-handle bathtub faucet with shower diverter, extending its lifespan and preventing costly water damage. Remember to perform regular maintenance and inspections to catch any potential issues early and keep your faucet in good working condition.
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Fix Shower Diverter Valve: Clean or replace diverter to ensure water redirects to shower
The shower diverter valve in a two-handle bathtub faucet is responsible for redirecting water from the tub spout to the showerhead. If water fails to switch to the shower or leaks from the tub spout when the shower is on, the diverter valve likely needs attention. Start by identifying the type of diverter in your faucet—it could be a rotary (screw-on) or a pull-up (lever) style. Turn off the water supply to the faucet before proceeding to avoid accidental spills. Disassemble the faucet handles by removing the screws or caps covering the handles, then lift off the handles to expose the diverter mechanism.
Once the diverter is accessible, inspect it for mineral deposits, corrosion, or debris, which are common culprits for malfunctions. If the diverter appears clogged or dirty, clean it thoroughly using white vinegar or a descaling solution. Soak the diverter in the solution for 30 minutes to an hour, then scrub away any remaining buildup with a toothbrush or small brush. For stubborn deposits, use a mild abrasive pad, but avoid damaging the diverter’s surface. Rinse the diverter with clean water and dry it completely before reassembling the faucet.
If cleaning does not resolve the issue, the diverter may be worn out or damaged and require replacement. Measure the diverter’s size and type, then purchase a compatible replacement from a hardware store. Remove the old diverter by unscrewing it (for rotary types) or prying it out (for pull-up types). Install the new diverter by following the reverse process, ensuring it is securely seated and aligned properly. Reattach the handles and turn the water supply back on to test the diverter’s functionality.
After replacing or cleaning the diverter, test the faucet by turning on the water and activating the shower diverter. Water should redirect smoothly to the showerhead without leaking from the tub spout. If the issue persists, double-check the diverter’s installation or consider consulting a professional plumber. Regular maintenance, such as periodic cleaning of the diverter, can prevent future problems and ensure consistent performance.
In summary, fixing a shower diverter valve involves either cleaning or replacing the component to ensure proper water redirection. By identifying the diverter type, cleaning it thoroughly, or installing a new one, you can restore the functionality of your two-handle bathtub faucet with shower diverter. This DIY approach saves time and money while keeping your bathroom fixtures in optimal working condition.
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Reassemble and Test Faucet: Put parts back together, turn on water, check for leaks
Once you’ve completed the necessary repairs or replacements on your two-handle bathtub faucet with shower diverter, it’s time to reassemble the faucet and test its functionality. Begin by carefully placing the internal components back into the faucet body in the reverse order of how you disassembled them. Ensure the stems, O-rings, washers, and other parts are aligned correctly. Reattach the handles by securing the screws tightly, but avoid over-tightening to prevent damage. Replace the escutcheon plate (the decorative cover) and tighten it gently to ensure a snug fit. Double-check that all parts are properly seated and aligned before proceeding to the testing phase.
With the faucet reassembled, turn on the water supply valves located beneath the tub or behind an access panel. Slowly open both hot and cold water handles to allow water to flow through the faucet. Start with a low flow to observe how the water moves through the system. Pay close attention to the shower diverter, ensuring it switches between the tub spout and showerhead smoothly. If the diverter feels stiff or doesn’t function properly, you may need to adjust or lubricate it slightly with silicone-based grease. Allow the water to run for a minute to flush out any debris that may have accumulated during the repair process.
Next, inspect the faucet for leaks at all connection points, including the handles, spout, and diverter. Common leak areas include the handle bases, O-rings, and washer seats. If you notice any leaks, turn off the water supply again and disassemble the relevant parts to recheck their placement or replace damaged components. Tighten connections as needed, but be cautious not to overtighten, as this can cause cracks or further damage. Once you’re confident all connections are secure, turn the water back on and retest for leaks.
After confirming there are no leaks, test the faucet’s functionality thoroughly. Run both hot and cold water individually and together to ensure proper mixing and temperature control. Test the shower diverter again by switching between the tub spout and showerhead multiple times to ensure it operates smoothly. Check the water pressure to ensure it’s consistent and adequate. If the water flow is weak or uneven, there may be a clog or residual debris in the system, which can be addressed by cleaning the aerator or flushing the lines further.
Finally, once you’re satisfied with the faucet’s performance and leak-free operation, clean the exterior of the faucet and surrounding area to remove any residue or fingerprints. Regular maintenance, such as periodic cleaning and checking for leaks, will help prolong the life of your repaired faucet. By carefully reassembling the parts, testing for leaks, and ensuring proper functionality, you’ve successfully fixed your two-handle bathtub faucet with shower diverter, restoring it to full working condition.
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Frequently asked questions
Start by checking for leaks, low water pressure, or the shower diverter not switching properly. Turn off the water supply and disassemble the faucet handles to inspect for worn-out washers, O-rings, or a faulty diverter valve.
You’ll need basic tools like a screwdriver, adjustable wrench, pliers, and possibly a cartridge puller. Additionally, have replacement parts such as washers, O-rings, or a new diverter valve ready.
Turn off the water supply, remove the faucet handles, and access the diverter valve. Unscrew or pull out the old diverter, clean the area, and install the new diverter. Reassemble the handles and test for proper function.
The diverter may be clogged with mineral deposits, worn out, or misaligned. Disassemble the faucet, clean the diverter mechanism, and replace it if necessary. Ensure all parts are properly seated during reassembly.
Yes, most leaks can be fixed by replacing worn-out washers, O-rings, or cartridges. Turn off the water, disassemble the faucet, identify the damaged part, replace it, and reassemble. If the diverter is the issue, follow the steps to replace it.











































