24VDC Output PICV Thermostat with Modbus Keycard Energy Saving
Quick Summary The HTW-FC09-FVMN-24K PICV Thermostat is designed for fan coil systems. It controls 3-speed fans or EC fans and supports 2-pipe systems with 0–10V modulating valve control. The thermostat suits both heating and cooling operations. A built-in transformer provides a stable 24VDC output for PICV valves and supports reliable control logic. This page explains […]
Smart WiFi Room Water Heating Thermostat with Modbus Easy Operation for 4 Pipe FCU System
Quick Summary The HTW-WF81-963S is designed for indoor fan coil unit systems with water heating support. It controls a three-speed fan, one UFH output, and one heating or cooling valve. The unit supports four-pipe systems using simple on/off control logic. Modbus and WiFi allow both local control and system integration. This Water Heating Thermostat is […]
Smart Wifi Room Thermostat with Modbus RS485 Energy Saving Controller for BMS Systems
Quick Summary The HTW-WF81-853S is designed for indoor fan coil unit systems. It controls a three-speed fan and one heating or cooling valve. The unit supports two-pipe systems with simple on/off logic. WiFi and RS485 allow both local control and building system connection. This Smart Wifi Room Thermostat with Modbus is used in projects that […]
Household Smart Fan Coil Unit Thermostat Programmable 2 Pipe Controller for Hvac Systems
Quick Summary Smart Fan Coil Unit Thermostat HTW-WF81-843 is designed for indoor fan coil unit systems in homes. It controls a three-speed fan and one heating or cooling valve. The unit works with two-pipe systems using simple on/off control logic. WiFi connection allows remote control and basic monitoring through a mobile app. This page explains […]
Smart Programmable Thermostat for FCU and 3A Water Heating System Convenient Setting
Quick Summary This HTW-WF11-3AFCS programmable thermostat is designed for FCU and 3A water heating use. It supports 3-speed fan control and 2-pipe on/off valve control. The unit works with 100–240 VAC power and uses an NTC sensor. It handles both cooling and heating under standard fan coil system operation. This programmable thermostat page explains how […]
T6861 Digital Room Thermostat 9 Terminals Steady Performance
Quick Summary The T6861 digital thermostat (9-terminal version) is designed for fan coil unit systems in commercial spaces. It controls three-speed fans and on/off valves in both 2-pipe and 4-pipe systems. The unit supports heating and cooling modes based on system setup. It uses built-in sensing and optional inputs to keep the room temperature steady. […]
T6865 Modulating Thermostat FCU System Easy Setup
Quick Summary The T6865 modulating thermostat is designed for fan coil units in commercial HVAC systems. It controls a 3-speed fan and a 0–10V modulating valve in 2-pipe systems. The controller manages cooling or heating modes with stable temperature control. It supports either keycard setback or remote sensor input, depending on the model. This page […]
Halo T6861 Digital Thermostat 2 Stage Cooling Reliable Quality
Quick Summary T6861-2 digital thermostat is used in fan coil unit systems. It controls 3-speed fan motors and on/off water valves. It supports both 2-pipe and 4-pipe systems with cooling and heating modes. Remote setback input and remote sensor improve temperature control and operational flexibility. This page explains control logic, function meaning, and engineering relevance […]
Zigbee Thermostat 24V Output for Valve Tuya Thermostat Convenient Control
Quick Summary The HTW-FC09-FVMN-24ZB Zigbee Thermostat is designed for fan coil unit control. It regulates 3-speed fan motors, EC fans, and 2-pipe modulating valves. The controller works in typical heating or cooling FCU systems. A built-in transformer provides a stable 24V output for valve control. This page explains how the Zigbee Thermostat works in a […]
24V Output Modulating Thermostat with Transformer Modbus Cost Savings
Quick Summary HTW-FC09-FVMN-24 is a Modulating Thermostat designed for fan coil units in commercial buildings. It controls fan operation and a 0–10V valve signal. The controller supports both three-speed fan and EC fan systems. Heating or cooling output adjusts based on room temperature and set point. This page explains the control logic and engineering value […]