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Norma Grech asked:

Feb 7, 2017
I just change my water heater, it is 50 gallons big, the thermostat is on letter "c" one level less that very hot. Why water gets cold in the middle of shower?
Feb 14, 2017

What make & model is your new water heater?

Tara Taylor of Crown Builders PRO answered:

Feb 14, 2017

I would recommend contacting the company that installed the water heater

Feb 20, 2017

Yes, contact the installer. Hae them check it. Just from the sound, it could be anything from a bad heating element, malfunctioning thermostat, to being plumbed backward, to name a few. Either way somone qualified to diagnose and repaitr the problem needs to look at it.

Mar 2, 2017

I would start by performing a flow test at your shower head. Get a 5 gallon bucket and open your shower head full open and time how long it takes to fill bucket. If you fill the bucket say in 1 minute, this means you are emptying 50 gallon tank in less than 10 minutes. (Divide 50 by number of minutes) Keep in mind as you use hot water, it is replaced with cold water, so hot water temp is dropping from the moment you start. Secondly, you most likely temper your hot water with cold which then extends this time. In short this is just a guide but tells you how long it takes to empty tank. If this works out that your emptying bucket in shorter time than your shower, concider checking flow restrictor on your shower head. If this is not the case then call the installer of hot water heater.  

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