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Hydronic Heating Modules (1 in - DN25)
F31 High Temperature Zone Module Unmixed

For Boiler Load or Floating Heat Mode. Flow up to 2150 L/h (9.5 USgpm).

Use high temperature zone modules F31 in closed loop design to supply high temperature zones, such as indirect water heaters, baseboards or fan coil units, or as modules for injection mixing.

icon F31 - Technical Product Brief

icon F31 - Installation & User Manual

Supply and return lines are 1“ NPT. Up to 9 high temp modules could be installed on one manifold.
 
F32 Low Temperature Zone Module

For Heating Mode set by a Mixing Valve. Use in closed loop design. Flow up to 1400 L/m (6 USgpm).

icon F32 - Technical Product Brief

icon F32 - Installation & User Manual

The F32 Low-Temperature Zone Module is a replacement for conventional injection mixing systems.

In conjunction with electronic reset control and direct drive actuator modulates a 3-way valve, diverts and mixes radiant return water with hot water from the boiler.
 
F33 Low Temperature Zone Module with Thermostatic 3-Way Mixing Valve

For Low Temperature Heating Zones Controlled by 3-Way Thermostatic Mixing. Use in closed loop design. Flow up to 860 L/min (3.8 USgpm).

icon F33 - Technical Product Brief

icon F33 - Installation & User Manual

Low temperature zone modules F33 equipped with adjustable thermostatic actuator. The F33 is designed to provide constant supply temperatures to the radiant system.

Depending on the geographic location of the installation, periodic adjustments to the temperature may or may not be necessary.
 
F34 Low Temperature Zone Module with 3-Way Mixing Valve

For Low-Temperature Heating set by a Mixing Valve. Use in closed loop design. Flow up to 1940 L/min (8.5 USgpm).

icon F34 - Technical Product Brief

icon F34 - Installation & User Manual

The F34 Low-Temperature Zone Module is a replacement for conventional injection mixing systems.

In conjunction with electronic reset control and direct drive actuator modulates a 3-way valve, diverts and mixes radiant return water with hot water from the boiler.
 
F38 Low Temperature Zone Module with 4-Way Mixing Valve

For Heating Mode with Minimum Temperature set by a Mixing Valve. Use in closed loop design. Flow up to 1400 L/min (6 USgpm).

icon F38 - Technical Product Brief

icon F38 - Installation & User Manual

The F38 Low-Temperature Zone Module is a replacement for conventional injection mixing systems.

In conjunction with electronic reset control and direct drive actuator modulates a 4-way valve, diverts and mixes radiant return water with hot water from the boiler.
 
F36-E Modular Heating Circuit with Integrated Overflow Valve

The F36-E includes a Thermostatic Control Valve to Compensate Temperature Differences in Solid Fuel Boilers.

Flow up to 1725 L/h (7.6 USgpm).

icon F36-E - Technical Product Brief

icon F36-E - Installation & User Manual
 
Modular Distribution Manifold DN25

For use in closed loop design.

Modular design distribution Manifolds allow parallel connection of multiple Zone Modules in order to customize any installation.

icon MDM - Technical Product Brief

Our modular distribution manifolds simplify installation, extremely shorten assembly time, providing cost and time savings.

Available in 2-6 sectional designs, for connection of 2 to 9 heating zones.
 
MW Hydraulic Separator for Modular Systems 1"

For use in a closed loop design. Flow up to 3500 L/h (15.4 USgpm).

In conjunction with boilers having high resistance (condensing) or when total flow rate of all parallel running circulators is higher than maximum flow rate of the boiler, the low-loss header provides hydraulic separation, decoupling boiler and system circuits from each other.

icon MW HS - Technical Product Brief

icon MW HS - Installation & User Manual

It is recommended to use the low-loss header in applications in which the total system flow rate exceeds the maximum boiler flow rate.

PAW strongly recommends the use of a low-loss header in cases where the system head and flow rates are unknown.