Related illustrations
1567.5Tempering (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
1610Boilers heat domestic water
· p. 282
The illustration shows a boiler connected to an indirect domestic water heater with a storage tank and internal heat exchanger coil. Red piping and arrows indicate hot boiler water pumped through the coil, while blue pip
0905Boiler and indirect water heater
· p. 159
The schematic shows a boiler connected to an indirect domestic water heater through primary and secondary hydronic loops. Red and blue piping and directional arrows distinguish heated supply water from cooler return wate
0903.5Primary and secondary loops on boiler
· p. 158
This schematic shows a boiler with a short, pumped primary loop supplying secondary circuits for three heating zones and an indirect water heater. Red supply pipes, blue return pipes, and arrows indicate water flow throu
0912Combination high-efficiency boiler with multiple loops
· p. 160
The schematic depicts a high-efficiency boiler serving multiple hydronic heating loops and an indirect domestic water heater through primary-secondary piping. Three radiant heating zones have individual pumps and shared
