|american national standards institute (ansi)||Agency that sets standards for safety of gas water heaters. |
|nitrogen oxide||Gas by-product of combustion that is harmful to the earth`s atmosphere. |
|mixing valve (tempering valve)||Device that mixes cold water with hot water supplied to general use fixtures. |
|gallons per hour (gph) recovery||The amount of water, in gallons per hour, that a water heater can raise by 90° increase in temperature. |
|flue baffle||1) A device located in the center of the flue that slows the rising heat and gasses produced by the combustion process, enabling the water to absorb more heat.|
2) A device to deflect, check or regu...
|energy guide label||1) Yellow label displayed on every water heater that compares that model`s energy use to similar models.|
2) The Federal Trade Commission (FTC) requires that gas, electric and oil residential automa...
|energy cutoff switch (eco)||Gas water heater safety device that shuts off the gas supply to the unit if water temperature exceeds 190°F. The ECO is a single-use switch and requires complete replacement of the entire thermostat i... |
|dielectric connections||Water connectors that reduce the flow of electricity related to galvanic corrosion, from the house piping to the water heater. |
|department of energy (doe)||Government agency that regulates water heater efficiencies. |
|british thermal unit (btu)||The amount of energy required to heat one pound of water by 1°F. |
|anode or anode rod||Sacrificial component made of aluminum, magnesium, or other alloys, that is corroded by electrical currents in order to protect the inside of the tank. |