No conversion, it would need to be replaced with a single handle faucet.
Moen part #1920 and a brand new Moen single handle faucet
Change the faucet, either one will mount on the sink.
To fix a leaky shower faucet with a single handle, you can start by turning off the water supply to the shower. Then, remove the handle and the cartridge inside the faucet. Check for any damaged parts and replace them if necessary. Reassemble the faucet and turn the water supply back on to test for leaks.
The main types of shower faucet available in the market are single-handle, double-handle, thermostatic, and digital.
To replace a single handle shower faucet, you will need to turn off the water supply, remove the old faucet handle and trim plate, disconnect the water lines, and install the new faucet following the manufacturer's instructions. It's important to use the correct tools and follow safety precautions during the process.
To remove a single handle shower faucet, you typically need to turn off the water supply, remove the handle cover, unscrew the handle, and then access the cartridge or valve assembly to disconnect and replace it if necessary. It's important to follow the manufacturer's instructions and use the appropriate tools to avoid damaging the faucet.
When choosing a single handle tub and shower faucet, key features to consider include the design and finish, the type of valve, the water flow rate, and any additional features such as temperature control or pressure balancing.
Turn the water off to the faucet. Remove the handle. The top of the faucet should unscrew to get to the ball valve. Replace the valve and gaskets then reassemble the faucet.
Look under the handle for a small ALLEN SCREW (hex head). Loosen it and slide the handle off.
A single handle uses the same 3 holes as the double handle
There are three main types of shower faucet handles available for purchase: single-handle, double-handle, and thermostatic. Single-handle faucets have one lever for controlling both water temperature and flow. Double-handle faucets have separate handles for hot and cold water. Thermostatic faucets have a built-in temperature control to maintain a consistent water temperature.
There could be several reasons why your single handle shower faucet is not producing hot water. It could be due to a faulty cartridge, a problem with the water heater, a blockage in the hot water line, or issues with the temperature control settings. It is recommended to check these potential issues and consult a professional plumber if needed.