Question about Rheem 81VP6S/430126 Water Heater
You have electric heater with 2 elements.
This is a 240Volt heater
Lower element is suspect.
If some hot water is available, then upper element is working.
If upper element is not working, then water heater has no hot water.
That because of the way thermostats work.
How to test element:
How to replace element and clean sediment out of tank:
The problem can also be bad thermostat, or loose wire >> these things are generally easier to repair than replacing element.
Take 30 minutes and do complete troubleshoot.
Buy cheap multimeter from home center.
When testing voltage, rotate multimeter dial to 240-250-277 VAC
When testing elements or continuity, rotate multimeter dial to Ohms
Posted on Jan 03, 2011
There performance depends on your demand. If you are using an energy saving shower head I would expect you to have enough hot water for easily a couple of showers. But, if your using the "power flush" type shower heads that use 3.5 gpm or more, the 40 gallon heater is not enough. Also, consider type of water your heating. Is it well water or municipal. Unsoftened well (this includes some municipal well supplies too) water causes hardness ions to cake the heater element making them less efficient. If you have the low flow shower, it is likely you have an element burt out. They can simply be replaced and picked up at any big box store for less than $20 dollars. Each element can be tested in place with a continuity tester. If your not sure how to test, but would be willing to replace the elements - replace both of them. You will have to shut off power to heater and drain tank completely before removing elements. Replace elements with same wattage or higher. Most have two 2250 watt elements for a total of 4500 watts. you can easily install two 3000 watt elements and have a quicker recovery rate and more hot water than ever.
Posted on Jan 03, 2011
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Posted on Jan 02, 2017
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