Suggested Boiler Piping Schematics - Bradford White OmniTech BONH1250 Installation And Operation Instructions Manual

1. If the outlet sensor detects less than 45°F, the control
energizes the boiler pump.
2. If the outlet sensor detects less than 35°F, the control
will fire the boiler.
3. Once in freeze protect mode, the boiler will remain in
that state until the outlet sensor detects greater than
Space heating zone circuits
50°F.
System pump
4 pipe dia. max.
Water feed
controls
Note -
This drawing is a schematic
representation of a piping style,
and is not intended to be used
as a working installation drawing.
Local code requirements
must be met.
Figure 4. Boiler Piping — Single Boiler with Multiple
Temperature Zones,
Zoning with circulators, and an indirect tank
Low temp. radiant zone
4 pipe dia. max.
5.A.4

Suggested Boiler Piping Schematics

Figure 4 on page 29 through Figure 6 on page 31
show suggested piping configurations for boilers. These
diagrams are only meant as guides. All components or
piping required by local code must be installed.
4 pipe dia. max.
Page 29