Why Does My Shower Only Have Hot Water

All the other taps in the house have hot water and the boiler seems fine.

Why does my shower only have hot water. With a few inexpensive parts from a plumbing supply store any diyer can get the job done fast. The only thing worse than a cold shower is a scorching hot one. No hot water from thermostatic mixer shower.

In most cases a tankless on demand water heater fails to supply enough hot water if the unit is too small. If there s no cold water in your shower you ve come to the right place. Your anti scald device might be set too high.

But here are the strange things i noticed. The hot pipe leading to the shower is still hot it just doesn t seem to be coming through. If you re getting hot water everywhere but your shower it could be that your anti scald device is set at too high a limit.

When you aren t getting hot water in the bathtub and the other faucets are operating normally you don t have to look far for the problem. It s either in the faucet or in the pipes supplying the. You may start to wonder if you even have hot water so you check the bathroom sink and the kitchen sink but the water gets nice and toasty.

The average shower uses between 1 1 4 and 2 1 2 gallons of water per minute. If i turn off the shower or just wait with the cold water running about 5 minutes later it is hot again. Hot water coming from all other taps.

The need for hot water can quickly outstrip on demand water heaters supply. The showerhead mixing valve which regulates the proper mix of hot and cold water is probably broken. An average on demand water heater can supply 3 1 2 gallons of hot water per minute.