Proper hot water heater service annually, by a professional plumbing company, will keep your appliance operating efficiently for years. There is not much to do when it comes to maintaining the unit but it is a maintenance area that is the most overlooked in the home. You can search the company like stuartplumbing for tankless water heater services.
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There are different types of units that require different maintenance:
Electric Tank: These heaters require the tank to be drained once per year. To perform this task the person maintaining the heater will first turn off the power and wait until the unit is thoroughly cooled: Then they will open a hot water faucet somewhere in the house to prevent a vacuum, much like putting two holes in a juice can instead of one. The hose is placed in an area where the water can drain safely and the valve is opened.
This prevents the build-up of chemical scale and deposits which can damage the unit, make it less efficient and create an unclean content. The tank is then refilled, the power is turned on and it is complete.
Natural Gas Tank or Propane: The maintenance of a gas heater is very similar to electric but is more dangerous because of the inherent nature of the gas.
Tankless: Tankless heaters have been around for a few years. They are popular because they are more efficient than the tank-style because they only require energy while they are being used.