Why does the temperature of my shower fluctuate?

Question

Why does the temperature of my shower sometimes go hot and cold without warning?

Doug · Answer

Two possibilities the shower bar that’s delivered the water has a faulty cartridge or the water is being used in the house elsewhere eg toilet being flushed or a tap being run

Anthony · Answer

If all hot water taps and shower fluctuate the boiler ha a fault.
If just shower then shower thermostatic valve faulty.

Steven · Answer

If its a mixer shower,it's probably a faulty cartridge,if it's electric it's more than likely the element.

Rob · Answer

The most common reason we come across for this is usually that another appliance has started using water causing the tempreture to change suddenly. For example flushing a toilet, running a tap, turning on a dishwasher or washing machine.

Andreas · Answer

The most common reason for sudden water temperature changes is the usage of other appliances inside of your home at the same time. Flushing the toilet or starting the dishwasher while the shower is running could cause a change in water temperature.

Kevin · Answer

The thermostatic valve in the shower will need to be replaced or you may have to buy a new shower depending in the make.

Patrick · Answer

Due to water use elsewhere in your property. Change your shower to a thermostatic shower. Eg Mira Excel (Assuming not talking about electric shower)

Grahame · Answer

If it’s a thermostatic hot and cold fed shower it’s liable to be the Thermostat in the cartridge , not all are replaceable ..

Lance · Answer

Probably be the cartridge needs replaceing ..,...............,.........

Dimitris · Answer

What type of shower do you have?... Electric?... mixing?

Why does the temperature of my shower fluctuate?

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