OEM Digital Temperature Controller FCU Thermostat 2 or 4 Pipe Easy to Operate
Quick Summary The HTW-31-F10-2/4 is a digital temperature controller for fan coil systems. It controls 3-speed fans and on/off valves in dedicated 2-pipe or 4-pipe models. It supports heating and cooling with stable switching logic. This page explains its control functions and how they support FCU system stability. It also confirms key parameters and typical […]