Related illustrations

1567.5

Tempering (mixing) valve on water heater

· p. 272

The illustration shows a water heater with a tempering valve connecting its hot-water outlet to a branch from the cold-water inlet. Blue piping carries 50°F cold water into the tank and toward the mixing valve, while red

0911

Tankless boiler and water heater

· p. 160

This simplified cutaway depicts a tankless boiler supplying both space heating and domestic hot water. A fan and burner sit above the heating heat exchanger, with intake and exhaust connections at the top of the cabinet.

1614.2

Tankless 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

1610.1

Tempering valve on indirect water heater

· p. 282

The schematic depicts an indirect water heater connected to a boiler system with separate secondary loops for the water heater and three space-heating zones. Red and blue piping and arrows indicate supply and return flow

1613

Tempering valve with tankless coil

· p. 283

The schematic shows a boiler with an internal tankless coil that heats domestic water separately from the boiler's circulating heating water. Domestic cold water enters the coil at 55°F and exits at 180°F. A tempering va

0900

Tankless coil

· p. 156

The cutaway diagram shows a tankless domestic water-heating coil installed near the top of a hydronic boiler. Domestic cold water enters the lower end of the finned coil and leaves the upper end as domestic hot water, ab