Types of water heaters
This type of water heater uses the combustion of gas or oil to heat water
What is a fuel-fired water heater?
This factor measures the percentage of fuel energy converted into usable hot water.
What is the energy factor?
Water heaters in garages must be installed this many inches above the finished floor.
What is 18 inches?
This type of energy powers a solar water heater.
What is solar radiation?
This type of water heater requires the least amount of space.
What is a tankless water heater?
This type of water heater heats water on demand without a storage tank.
What is a tankless water heater?
Tankless water heaters save energy by eliminating these losses.
What are standby losses?
The safety device that releases excess pressure and temperature in water heaters.
What is the relief valve?
A potential risk for direct solar water heaters in cold climates.
What is freezing?
Recirculating loops are required when the piping from source to fixture exceeds this length.
What is 75 feet?
Unlike fuel-fired water heaters, this type has no flue pipe or combustion chamber.
What is an electric water heater?
This type of water heater requires a larger tank because it lacks a flue.
What is an electric water heater?
Relief valves must be installed within this range from the top of the heater.
What is the top 6 inches?
The component in indirect solar water heaters that transfers heat.
What is a heat exchanger?
The highest temperature in a tank-type heater is found in this location.
What is the top of the tank?
This type of solar water heater uses a separate loop to transfer heat.
What is an indirect solar water heater?
The recommended household water temperature to reduce energy loss and scalding.
What is 120°F?
When installing multiple water heaters, they should be arranged to ensure this.
What is equal flow through each unit?
The primary benefit of using a solar water heater.
What is reduced energy costs?
One major advantage of installing multiple water heaters.
What is redundancy in case of failure?
This type of solar water heater directly circulates potable water through the collector.
What is a direct solar water heater?
This type of heater is gaining popularity due to its role in global energy conservation.
What is a solar water heater?
This occurs when small amounts of water are heated to a high temperature in a tank.
What is stacking?
This factor determines whether a home can effectively use solar water heating.
What is sun exposure?
The primary reason electric water heaters are less energy efficient than fuel-fired models.
What is higher energy input required?