Tip & How-To about Heating & Cooling
F your water heater suddenly seems to supply less hot water and you've made sure it isn't leaking, flush the water heater tank to be sure mineral deposits are not reducing the heater's efficiency. To do this:
1) Turn off the water heater's gas valve or electrical power.
2) Let the water cool.
3) Turn off the water inlet valve and attach a hose to the drain valve to run the water into a large bucket, or to a drain or the outdoors.
4) Open the drain valve at the base of the tank, and open one hot water faucet somewhere in the house to let in air. When all water has drained from the water heater, turn the cold water valve on and off until the water from the drain runs clear.
5) Close the drain valve, turn the water back on to fill the tank, and turn the gas valve or electricity back on (relight the pilot if applicable).
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