Why does my shower not have hot water but my sink does?

If your problem wasn’t the anti-scalding device, your shower mixing valve has most likely gone bad and is preventing hot water from mixing properly into your shower water. Sometimes, though these valves wear out, break, or are positioned incorrectly and that can cause uncomfortable shower temperatures.

Why am I getting hot water everywhere but the bathtub?

A Pipe Is Clogged Old pipes sometimes get clogged with mineral deposits due to chemical imbalances in the water. This can block hot water from reaching the bathtub faucet, even though the sink’s hot water faucet is working fine. A clogged pipe may be the culprit if you replace the faucet and still have no hot water.

Why does my shower only have cold water?

Lack of cold water is usually caused by a defective pressure-balancing valve in a cartridge. This part is located inside the shower faucet. With a few tools and some patience, you may be able to replace the valve cartridge on your own.

Where is the mixing valve located?

You can see the trim on the shower faucet, but the actual valve is behind the wall and is permanently connected to the plumbing. To replace it, you need an access panel through the shower wall, and if it isn’t designed into your bathroom, you’ll have to cut one.

Why won’t the hot water come out of my bathroom faucet?

If there is no hot water at that faucet, check the hot water heater. The faucet is probably a single-handle cartridge faucet, and the hot water port in the cartridge is probably blocked. Turn off both shut-off valves under the sink and remove the faucet handle with a screwdriver or Allen wrench.

Why is the hot water not working?

A water heater that produces no hot water may not be getting power, may have a tripped limit switch, or may have one or more failed heating elements. First, check the water heater’s circuit breaker in the service panel to make sure it hasn’t tripped. If the breaker has tripped, switch it off, then switch it back on.

Why is my hot water tap running cold?

If you have a combi boiler, your hot water is fed by mains pressure, so if you’ve been getting cold water through the hot taps, you can rule out a water blockage or supply cut-off. If it’s cold when it should be hot, it’s either a boiler problem or a timer problem.

Why do I suddenly have no hot water?