Code Conundrums
What type of venting material is commonly prohibited by the Uniform Plumbing Code for use with water heaters?
Plastic/PVC piping
What is the purpose of a vent pipe in a water heater installation?
To safely vent combustion gases to the exterior of the building
According to the Uniform Plumbing Code, what is the minimum clearance required around a water heater for maintenance and service access?
24 inches
What is the term for the pipe that carries cold water from the building's main supply line to the water heater?
Cold water supply line
What is the method used to determine the required size of a water heater based on the number of plumbing fixtures it serves?
Fixture unit count
According to the Uniform Plumbing Code, what is the minimum clearance required between a water heater draft hood and combustible materials?
6 inches
According to the Uniform Plumbing Code, what is the minimum distance required between a water heater vent termination and an operable window, door, or air intake?
3 feet
What is the term for the method of connecting a water heater to the building's plumbing system using flexible connectors?
Flexible water connectors
What is the recommended material for hot water supply piping connected to a water heater, as per Chapter 5 of the Uniform Plumbing Code?
Copper piping
What is the term for the maximum flow rate of hot water that a water heater can provide at a given temperature rise?
Recovery rate
What is the term for the device used to safely release excess pressure or temperature from a water heater?
Temperature and pressure relief valve (TPR valve)
What is the term for the vertical pipe that extends through the roof to allow for proper venting of plumbing gases?
Vent stack
According to the Uniform Plumbing Code, what is the recommended maximum temperature setting for a water heater to prevent scalding?
120°F (49°C)
What is the term for the pipe that carries hot water from the water heater to the building's plumbing fixtures?
Hot water distribution line
According to the Uniform Plumbing Code, what is the minimum required size for a water heater serving a single-family dwelling with up to 2 bathrooms?
30-gallon capacity
What is the maximum allowable distance between a water heater and the first fixture it serves, as per the Uniform Plumbing Code?
50 feet
What type of venting system is commonly used for gas-fired water heaters in residential applications?
Atmospheric venting
What is the term for the device used to safely release excess pressure or temperature from a water heater?
Temperature and pressure relief valve (TPR valve)
What is the recommended minimum size for a hot water distribution line serving a single-family dwelling, according to Chapter 5 of the Uniform Plumbing Code?
3/4 inch diameter
What is the term for the process of insulating hot water pipes to reduce heat loss and improve energy efficiency?
Pipe insulation
According to the Uniform Plumbing Code, what type of material is commonly used for venting gas-fired water heaters?
Type B vent pipe
What is the term for the process of ensuring proper combustion air supply and ventilation for gas-fired appliances like water heaters?
Combustion air intake
According to the Uniform Plumbing Code, what is the recommended frequency for testing the temperature and pressure relief valve (TPR valve) on a water heater?
Annually
What is the term for the strap or bracket used to secure a water heater in place to prevent tipping or displacement during seismic events?
Seismic strapping or anchoring
According to the Uniform Plumbing Code, what is the minimum required clearance around a water heater for maintenance and service access?
24 inches