Related illustrations
1562Gas water heater
· p. 271
A cutaway drawing shows a storage-type gas water heater with an insulated tank and a burner beneath it. The cold-water supply connects to a dip tube extending toward the bottom of the tank, while the hot-water outlet lea
1607.5High efficiency gas water heater
· p. 281
A cutaway depicts a high-efficiency gas storage water heater with a burner at the base and a long helical heat exchanger inside the tank. Arrows show combustion products traveling through the heat exchanger and into an e
1614.2Tankless water heater (gas)
· p. 283
The illustration shows a gas-fired tankless water heater supplying a sink, with the cabinet opened to reveal its internal components. Blue piping carries cold water to both the sink and the heater, passing through a flow
1563External (floating) tank water heater (oil-fired)
· p. 271
A cross section shows an oil-fired water heater with an internal water tank surrounded by an external combustion-gas passage. An oil burner fires into a refractory-lined chamber beneath the tank, and arrows show hot gase
1574.5FVIR (Flammable Vapor Ignition Resistant) water heater
· p. 274
The illustration shows a cutaway of a flammable vapor ignition resistant (FVIR) gas-fired storage water heater. Hot-water outlet and cold-water supply connections flank the exhaust vent at the top, and an internal dip tu
1600Gas shutoff on high temperature
· p. 279
The illustration shows a direct-vent gas storage water heater with hot and cold water connections, a vent, and an external gas supply line. An enlarged cutaway details a high-temperature automatic gas shutoff valve with
1568Electric water heater - element sequencing
· p. 272
Four cutaway views show the operating sequence of a dual-element electric storage water heater, with red indicating warm water and blue indicating cold water. In stage A, hot water is being drawn and incoming cold water
1566Recovery rate
· p. 272
Two cutaway views of an electric storage water heater illustrate recovery rate as water is heated from 50°F to 140°F. Each tank shows a top-mounted cold-water inlet with a dip tube extending toward the bottom, a hot-wate
