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X. Heating Boiler Piping Diagrams (continued)
Figure 18: Multiple Boiler, Primary Reverse-Return Piping
From System
Expansion Tank
Pressure Reducing Valve
Make Up Water
AMP Variable Primary Piping
1. This is a suggested piping configuration. it is the
installer's responsibility to conform with local codes
Figure 19: Single Boiler, Variable Primary Piping
and ordinances for additional requirements.
2. Pressure relief valve setting shall not exceed
pressure rating for any component in the system.
3. Boiler pump must be sized to overcome pressure
drop accross entire boiler loop.
To System
Make Up Water
Check Valve
Pressure Reducing Valve
!
Notes:
1. This is a suggested piping configuration. It is the
installer's responsibility to to conform to local codes
and ordinances for additional requirements.
NOTICE
NOTICE
2. Relief valve shall not exceed the pressure
rating of any components in the system.
3. The circulator shall be sized to overcome the
pressure drop across the entire loop.
Check Valve
Isolation Valve
Expansion Tank
Differential Pressure Bypass
1. These are suggested piping configurations. It is the installer's responsibility to
conform to local codes and ordinances for additional requirements.
2. Pressure relief valve rating shall not exceed pressure rating of any component
in the system.
3. Some piping components cannot be supported by the pipping. Refer to the
manufactures' installation instructions.
4. Circulation pump must be sized to overcome the pressure drop across the entire
loop.
Air Vent
System Pump
Full Port Isolation Valve
Y-Strainer
System Circulator
Air Vent
Purge Valve
Isolation Valve
Y-Strainer
From System
47
Motorized isolation Valve
Factory Supplied Manifold
To System
Factory Supplied Manifold
Thermal Solutions Products LLC
8/30/2019
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