Question about Water Heaters
The answer different if you have: concerns about diseases, a dishwasher, young children or elderly that can be easily burned, electric vs. gas heat, type of plumbing (e.g. PEX or Copper).
In 1988, the Consumer Product Safety Commission recommended that water heater manufacturers preset the maximum temperature at 120 degrees Fahrenheit to prevent burns. Since several states have mandated this maximum temperature.
Posted on May 03, 2014
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Posted on Jan 02, 2017
SOURCE: HOT WATER
Not exactly, the heated water in the tank it self is roughly the desired temperature of the thermostat, there is a variable of 5 to 15+ degrees depending on its calibration. there are other considerations i.e. water heater tank insulation - hot water pipes being exposed to cooler temperatures thus cooling the water in the pipe - the farther distance that the water travels from the heat source, the cooler the water will be at the spigot.
Posted on Feb 21, 2009
Since you mentioned 'both temperatures' it seems your unit is like most all of them, a lower and upper coil.
If your hot water supply runs out quickly, this normally means that the lower coil has failed. Since heat rises, the upper coil will never supply a tankful of hot water, just hot to start, and then as the flow continues, it doesn't have time to do more than warm the water flowing into the tank.
Every home should now own a simple digital multimeter; they cost less than $20 US everywhere and one can find them in auto parts stores, electronic supply companies and tool companies.
If you have a Harbor Freight tool store in your area, you can get them for under $10 US any time and sometimes even less:
You need to be absolutely certain that the voltage to the water heater is shut down. Before you measure anything else, set the meter to its highest AC setting and check across the coils and then from either contact to the metal housing. If it is dead everywhere, then set the meter to the lowest Ohms scale (normally 200). The resistance of the coil should be nearly the same reading as when you simply short the meter's probe tips together. If it measures 'OL' then the coil is open and must be replaced.
Posted on Feb 26, 2009
it could be the fact thath the water comming in is what the problem is,, on a well system the water is extra cold and the unit is working hard and with sand aso comming in it makes it harder to keep the temp up on the water,,, flush the tank, put hose on it and open the drin valve with a hose on it turn the cold water on and let it flow till the water comes out clear usually about 5 min,,, get all the sand out and other debris and try it
Posted on Jun 06, 2009
yes, sounds like the temp control is bad, you should be able to google model# and thermostat to find replacement. should be fairly easy to swap out
Posted on Aug 19, 2009
probably has lime and mineral deposits on thermostat and is not getting a correct reading turn off water supply and electrical - drain tank remove screws to heater elements and if build up try cleaning or if to bad replace same with the stat
Posted on Feb 15, 2010
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