2-pipe Modbus Thermostat HVAC Controls Accurate Humidity Sensor
Quick Summary HTW-FC24-4KEN is a Modbus thermostat for fan coil unit projects that need local room control and RS485 communication. It supports 3-speed fan control, 2-pipe or 4-pipe FCU systems, and configurable on/off or modulating valve control. It can manage heating and cooling conditions, while also supporting external sensor, keycard, and 2-stage cooling options. This […]
All-in-one Design Smart Thermostat WiFi RS485 Modbus

Quick Summary HTW-FC24-Altra is a fan coil smart thermostat for FCU projects that need flexible fan and valve control. It supports 3-speed fan control and EC fan control. It can work with 2-pipe or 4-pipe systems, including on/off valve control and modulating valve control under a suitable configuration. This page explains how the model works […]
2 Pipe Standalone Room Thermostat for Fan Coil Unit

Quick Summary The HTW-WF11-FC-2 is a room thermostat for 2-pipe fan coil unit systems with three-speed fan control and on/off valve output. It is suitable for AC-powered FCU installations where local wall control is required for room temperature, fan speed, cooling, and heating operation. This room thermostat supports real-time display, scheduled programming, energy-saving mode, keypad […]
24V Smart Heat Pump Thermostat Multi-stage Control for Conventional System Simple Interface

Quick Summary This HTW-MT8600 model is a 24V heat pump thermostat designed for low-voltage HVAC control. It works with conventional systems and fan coil units. The controller manages fan operation and valve outputs in both cooling and heating conditions. It also supports staged outputs for stable temperature control in different load conditions. This page explains […]
HVAC Thermostat Modbus 2 Pipe 4 Pipe Modulating Thermostat Keycard Remote Sensor Popular Design

Quick Summary HTW-EW002 is a Modbus HVAC thermostat designed for fan coil unit control in hotel, apartment, and light commercial rooms. It uses a split structure with a wall thermostat and a DIN rail relay module. It can control 3-speed fans, EC fans, 2-pipe or 4-pipe systems, and configurable valve outputs. This page explains the […]
Powerful Split Thermostat FCU Controller RS485 Modbus Digital Modulating Controls

Quick Summary HTW-EW002-WG is a split thermostat for fan coil unit systems using a separate wall thermostat and relay module. It controls 3-speed fan or EC fan operation, 2-pipe or 4-pipe systems, and on/off or modulating valves. It supports heating and cooling control, external sensor input, keycard, window card, and Modbus communication. This page explains […]
0-10V Modulating Valve Ball Valve 25Nm Electric Actuator

Quick Summary The HTW-18C5 modulating valve combines a ball valve body with a 25Nm electric actuator for hydronic HVAC systems. It is used in chilled water and hot water loops for FCU, AHU, and zone control. This modulating valve supports continuous control via signal input, enabling stable flow adjustment and accurate temperature control in BMS […]
Electric 5 Wired Motorized Valve HVAC Control Valve

Quick Summary The HTW-W27-5W 5-wire motorized valve combines a forged brass valve body with a matched actuator for hydronic HVAC systems. It is designed for normally closed on/off control of chilled water and hot water in fan coil unit applications, with both 2-way shut-off and 3-way diverting options. This page helps HVAC contractors, distributors, project […]
2 Pipe 4 Pipe HVAC Thermostat Wifi Modbus Remote Sensor Stable Performance

Quick Summary HTW-WF11-FC-4ENS1W is a wifi HVAC thermostat for fan coil units. It controls 3-speed AC fan motors and on/off valves. It also includes external sensor input, RS485 Modbus communication and a Wi-Fi feature that enables app control and scheduling functions. This page explains control logic, key functions, and parameters. It also covers common questions […]
EC Fan Remote Thermostat WiFi RS485 Modbus for Hotel Easy to Manage

Quick Summary HTW-WF11-ECNW is an EC fan coil remote thermostat designed for FCU HVAC systems in hotels. It supports EC fan control, heating and cooling via 2/4 pipe valve logic. It is suitable for projects requiring both BMS communication (RS485 Modbus) and WiFi-based smart control. This page explains its control logic, wiring, parameters, and project […]