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After removing and draining the old water heater, hooking up new flex pipe segments, connecting to the gas supply (unless the heater is electric) and linking to the water supply complete replacement of a hot water heater. Because of the heavy lifting involved, it is wise to enlist an assistant.


It is time to replace a water heater when it begins to corrode and leak, regardless of its age. Once a water heater reaches 10 years, replacement should be considered as soon as anything starts to go wrong.


Water heaters that need replacement include those over 10 years old and those that are leaking or failing to consistently heat water to an acceptable temperature. Small issues, such as a leaking pressure release valve, are repairable, but major water heater damage caused by rust and corrosion cannot


A water heater's typical life expectancy is eight to 12 years, and the device should be replaced if it leaks, if it fails to heat or if its performance is unpredictable. Problems such as broken thermostats and faulty heating elements can be fixed without replacing the unit.


A water heater drain pump is a motorized machine designed to drain water from a water heater or transfer water from one receptacle to another. The pump can be electric- or battery-powered and is useful for other tasks, such as pumping water out of a boat bilge or pool cover.


Replacement parts for heaters can be ordered from the Sears PartsDirect and Home Depot websites. Amazon.com and eBay also have various heater parts available for purchase. Heater.com is another website that sells replacement heater parts.


To replace a heater blower motor in a car, gather a wrench set, 3/8-inch socket set, 3/8-inch ratchet and a screwdriver. Safety is also a priority, so ensure all safety equipment, including glasses and gloves, are used during the repair.


Heat pump water heaters, like heat pump furnaces, use heat transferred from a cooler area to a warmer one to heat the water. Most heat pump water heaters are hybrid systems that also contain resistance coils for high hot water demands.


Tips to replace a water heater safely include measuring the height of the previous water heater for comparison and turning off the water heater at least two hours in advance to allow remaining water to cool. Soldering copper fittings prior to screwing them to the tank is also helpful.


To replace a heater hose, remove the pressure cap from the radiator and open the drain valve before twisting the hose to remove it. Next, clean the fittings and install the new hose.