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

default K38 Low Temperature Module with 4-Way Mixing Valve Product Specification (507 KB)

default K38-Installation & User Manual (782 KB)

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.

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