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  • What are the code requirements for the discharge piping from a . . .
    3) Each TPR valve must have its own discharge piping, not shared with any other devices or equipment In the example below, an upper pressure relief valve drain (not visible behind vent connector) has been tied into the drain for the lower one
  • What is a TPR Discharge Pipe and Why it’s Important
    A correctly installed TPR discharge pipe directs this scalding water to discharge to a safe location to the exterior or drain location Water heater manufacturers state that a TPR discharge pipe is required to direct hot water to the exterior or a suitable drain location
  • TPR Valves and Discharge Piping - InterNACHI
    The TPR valve will activate if either water temperature (measured in degrees Fahrenheit) or pressure (measured in pounds per square inch [PSI]) exceed safe levels The valve should be connected to a discharge pipe (also called a drain line) that runs down the length of the water heater tank
  • TPR valve discharge piping; code vs reality? - Love Plumbing Remodel
    The discharge piping serving a pressure-relief valve, temperature-relief valve or combination valve shall: Not be directly connected to the drainage system Discharge through an air gap located in the same room as the water heater
  • TPR Discharge Piping Regulations
    Requirements for Water Heater TPR Discharge Pipes: Must not be directly connected to the home drainage system; Must discharge through an air gap located in the same room as the water heater ; Must not be smaller than the diameter of the TPR outlet; Must not serve multiple valves;
  • TPR Relief Valve Discharge Tube Codes Hazards Installation . . .
    T P valve discharge tubes: code requirements, safety hazards, installation details This article describes the requirements for a discharge tube or drain line on temperature pressure relief valves used on any appliance that heats water
  • What Is A TPR Valve and Why Do I Need It? - Scott Home Inspection
    A discharge pipe must also be attached to the valve As depicted in the picture below, this is a pipe that extends downward to within 6 inches of the floor When a TPR valve opens up, it will expel scalding hot water and or steam
  • What is a TPRV (Temporary Pressure Relief Valve) and Why Theyre . . .
    Water heater TPR valve must have a discharge pipe attached to it (blue tubing on this picture is just one of the few permitted types of pipes) Discharge pipe should extend from the water heater TPR valve and terminate within 6″ from the floor surface (distance and discharge location might slightly vary between some jurisdictions, so check


















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