Why is my sink working but not my shower?

Author: Mr. Afton Keebler  |  Last update: Friday, April 4, 2025

So, what's the deal? Well, if you're getting hot water everywhere else in the house but the shower, you most likely have one of these 2 issues: Your anti-scald device is set too high. Your shower mixer valve went bad.

Why is the water working in my sink but not in the shower?

So, when your shower's not getting hot water but your sink does, this situation may point to a faulty anti-scald unit. Perhaps your unit is improperly adjusted or even in disrepair. A professional Mustang plumber can check if your anti-scald unit is the culprit.

Why is my shower not working but my taps are?

If your shower is trickling but other faucets work fine, the showerhead might be clogged, valves may not be fully open, or there could be a blockage in the pipes. Cleaning the showerhead with vinegar or ensuring valves are open might help. If it's only the hot water affected, the water heater may have an issue.

Why is my shower not working but everything else is?

A shower not working properly can be due to a broken shower valve or valve cartridge. Shower valves, after all, control both the flow and temperature of water in the shower. This is the component of your shower responsible for mixing hot and cold water.

Why is no water coming out of my shower?

Why Do I Have no Water Coming Through my Shower Head?
  • 1. The tap washers have disintegrated, stopping the flow of water to the shower head.
  • 2. There is grit stuck in the water saving filter in the shower head that is stopping the flow of water.
  • 3. The water main has been turned off.

Know Reasons Behind The Single Handle Faucet No Cold Water

Why is my shower not working but my sink is?

Verify Faucet Aerators

Showerheads often have built-in aerators to regulate water flow. If these aerators become clogged with debris or mineral deposits, it can impede water flow to the shower. Remove the showerhead, clean the aerator, and reinstall it. This simple maintenance step can often resolve the issue.

Why is the water not going up in my shower?

First, if you have metal pipes, pour boiling water down the drain. Then remove hair from the drain. If that doesn't work, use a mixture of vinegar and baking soda. If the clog persists, use a plunger, plumber's snake or chemical drain opener.

Why did my shower randomly stop working?

If you are getting no water at all or it stops when you are showering the problem might be the solenoid valve. This valve is operated by a coil. When the coil breaks, the valve will not open and allow water into the shower. You can replace the coil to solve this issue but if this fails the shower will need replacing.

Why is my shower water cold but the sink hot?

So, what's the deal? Well, if you're getting hot water everywhere else in the house but the shower, you most likely have one of these 2 issues: Your anti-scald device is set too high. Your shower mixer valve went bad.

How do you reset a shower?

Reset Like a Pro: A Simple Guide to Get Your Electric Shower Working Again
  1. Step 1: Ensure Power is Completely Disconnected. Double-check that the power to the shower unit is off. ...
  2. Step 2: Access the Reset Button or Switch. ...
  3. Step 3: Press or Flip the Reset Mechanism. ...
  4. Step 4: Reconnect the Power and Test the Shower.

Why is my shower not pulling water?

In some cases, you can turn the electric shower on but then no water comes out of the showerhead. This could be caused by blocked pipes or a blocked shower head, or an issue with a faulty solenoid valve coil.

Why is there no power to my shower?

If the electric shower does not turn on, you could have an issue with the circuit breaker. If you have reset the circuit breaker on your consumer unit and still have no power supply, check the fuse (usually located in a socket close to the boiler programmer with the word 'Fuse' on the switch and an orange light).

How do you know if the shower valve needs to be replaced?

Here are some signs that you need to replace your shower valve.
  1. Dripping or Leaking. A leaking shower valve is one of the more common signs that it could need to be replaced. ...
  2. Low Water Pressure. ...
  3. Inconsistent Water Temperature. ...
  4. Difficulty Turning the Valve. ...
  5. Age of the Valve.

Why is there no water in my shower drain?

Soap scum, skin, and long hair are the main culprits that lead to a slow or clogged shower drain. These substances naturally build up over time, eventually coagulating and sticking to the walls of the pipes until a blockage gets so large that it impacts the flow of water.

Why do I have water everywhere but my shower?

Faulty Mixing Valves

If you notice adequate water pressure everywhere in the house except the shower, a mixing valve is likely the problem. It's essential to consult a plumbing expert for a mixing valve replacement.

Why is there no water coming out of my shower mixer?

Check that the hot and cold water supplies have been turned on at the isolating valves. Ensure that check valves if fitted in the mixer shower inlets are opening correctly. Check inlet filters if fitted are not blocked. For low pressure mixers check that the cold water tank is at least 1 metre above the showerhead.

Why is my shower not hot but taps are?

If you have hot water in other taps but not in your shower, the problem likely lies with the shower itself. The mixing valve may be stuck or blocked, preventing it from mixing hot and cold water properly. Alternatively, the shower's thermostat could be malfunctioning.

How to fix no hot water in the shower?

First, find the shut off valve for the hot water and see if it's closed. If so, opening the valve could remedy the situation. But if the water still remains warm for only short periods of time, you may have a blockage or obstruction in the pipes or a problem with your bathroom shower valve.

Where is my shower mixing valve?

Shower mixing valves usually have a default temperature, which users can adjust to their preference by twisting the hot and cold water knobs. Yours is probably inside the wall behind the shower handles if you need to access it.

Is there a fuse in a shower?

Normally for a shower it woul be a 40 or 45amp fuse/circuit breaker. If so then this should be fine for a 9kW shower as its 9000watts divided by 230volts = just over 39 amps. Its also worth checking that you have an RCD (redisual current device) fitted, as all showers must now be RCD protected.

How to fix a shower that goes hot and cold?

Installing pressure regulators can help maintain consistent water pressure, reducing temperature fluctuations. Corroded or blocked pipes can affect water flow and temperature. Repairing or replacing these pipes can resolve such issues.

Why is water suddenly not coming out of my shower?

One of the most common reasons for no water coming out of the shower head is a blockage. Over time, mineral deposits from hard water, soap scum, and other debris can accumulate in the small holes of the shower head, restricting water flow.

What would cause a shower to stop working?

The shower may have a faulty pressure relief device (PRD), which is a small plastic part that releases water when the pressure is too high. If the PRD is damaged or worn out, it may leak water and cause the shower to lose pressure and stop working.

Why is my shower not pumping water?

Ensure that the inlet filters are not blocked. Check that air has been purged from the pipes up to the inlet elbows (as per the fitting instructions). Check that the cold water tank is at least 75mm above the top of the unit.

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