Fan Coil Unit 4 Pipe Thermostat with Sensor Energy Saving Controller for Havc Systems

Quick Summary HTW-31-F17-4E is a Thermostat with Sensor designed for 2-pipe or 4-pipe fan coil systems. It controls three-speed fan motors and one cooling plus one heating valve in on/off mode. The unit supports heating and cooling configuration and operates under 24VAC or 100–240VAC power supply. It is suitable for HVAC projects requiring stable temperature […]
OEM 4 pipe Room thermostat for fan coil units in heating and cooling systems
Quick Summary The HTW-FT03-FC-4 OEM 4 pipe Room thermostat is designed for 4-pipe fan coil systems. It controls the fan coil unit and two wired motorized valves, supporting heating and cooling modes. Power supply is 100–250VAC, 50/60Hz. The device ensures accurate temperature control with ±0.5°C precision, using a reliable NTC3950 sensor. This page provides explanations […]
RS485 Modbus Stable Room Thermostat with External Sensor
Quick Summary HTW-WF11-FC-2NE is a 2-pipe room thermostat designed for standard FCU systems with 3-speed fan control and on/off valve output. It manages cooling and heating logic through a built-in sensor or an external sensor, with RS485 Modbus communication for group control. It supports stable fan switching, valve coordination, central monitoring, and time display for […]
Dependable 2-Pipe Thermostat with Remote Sensor AC System
Quick Summary The HTW-WF11-FC-2E Thermostat is designed for 2-pipe fan coil systems with a 3-speed fan and on/off valve control. It manages cooling and heating by monitoring room temperature through its built-in sensor or a Remote Sensor. It supports stable fan switching, valve output control, energy saving mode, and time display for daily operation logic. […]
4 Pipe Fan Coil Thermostat with Modbus Cooilng Heating Controller for BMS system

Quick Summary HTW-WF06-FC-4N is a Modbus fan coil thermostat designed for 4-pipe fan coil systems in commercial and residential buildings. It manages cooling and heating changeover, controls multi-speed fan operation, and drives on/off valves. RS485 communication allows integration into building management systems. This page explains how this Modbus fan coil thermostat works in practical projects. […]
Reliable Keycard Hotel Thermostat 2-Pipe FCU Thermostat
Quick Summary HTW-WF11-FC-2K hotel thermostat, made by the Chinese manufacturer Swan Controls, is designed for FCU installations. It controls a 3-speed fan and 2-pipe on/off valve, integrates keycard function, and operates in both heating and cooling modes. This page provides engineers with practical insights into system control logic, operational significance, technical parameters, installation guidance, common […]
Modbus Thermostat 4 Pipe Fan Coil Thermostat for BMS Save Energy
Quick Summary HTW-WF11-FC-4N is a Modbus Thermostat for 4-pipe fan coil systems. It controls a 3-speed fan and two on/off valves. Heating and cooling are managed independently. It supports Modbus group control and NTC sensing. Key functions include set-point limitation, time display, and keylock. This page explains how this Fan Coil Thermostat works in real […]
Household Wifi Thermostat with Sensor for 4 Pipe System

Quick Summary HTW-WF06-FC-4EW is a wifi thermostat with sensor designed for 4 pipe fan coil systems. It controls a 3-speed fan and two motorised valves. It supports heating and cooling operation under standard relay logic. External sensor input improves temperature detection flexibility. This page explains how this wifi thermostat with sensor works in real FCU […]
Fan Coil 4 Pipe Modbus Thermostats for HVAC Systems

Quick Summary HTW-WF01-FC-4KN Modbus Thermostats designed for 4-pipe fan coil units in commercial and residential buildings. It regulates a multi-speed fan and two independent heating and cooling valves according to sensed room temperature. The thermostat includes programmable schedules, keycard-based energy-saving input, and RS485 Modbus communication. Powered by 110VAC or 220VAC, it is intended for indoor […]
4 Pipe Fan Coil Thermostat Standalone Programmable Thermostat
Quick Summary This fan coil thermostat is designed for FCU system with 3-speed fan control and 4-pipe on/off valve outputs. It is used in indoor for both heating and cooling operation. It supports basic programming, an energy-saving mode, and a key lock function. These functions help maintain room temperature stability, reduce unnecessary operations, and limit […]