Electronic Room Mechanical Thermostat-HTW-21-16 Series
HTW-21-16 Series Mechanical Thermostats are used to control room temperature in commercial, industrial or residential environment by controlling fan coil units and water valves with heating only or cooling only or heating/cooling central air-condition and system thereof, and then detect the room temperature amongst the set-point.
Output Rated Power
Electric Equipment Parameters
Innner Box Size
Outer cartoon Size
Bottom, cover and index board
are made of white ABS plastic, Gray switch
- Turning On/Off
- Heat/Cool Models
- L(Light),M(Medium) and H(High)
- Fan Speed Adjustable
- Fan coil unit
- Two-line Motorized Valve
- Three-line Motorized Valve
- Solenoid Valve
- Three-speed angle fan valve
-2-pipe or 4-pipe system
Welcome to HOTOWELL
We have focused on the development innovative
solutions to reduce specializing in energy costs.
HOTOWELL International Co., Limited is an innovative and modern medium-sized enterprise, the company is headquartered in Xiamen (China/Fujian). Hotowell was found to offer our customers mature top technology. Our creative potential and our manufacturing and development know how are the basis for innovative products. Since the company was founded, HOTOWELL International Co., Limited has continuously developed itself into a market leading enterprise in the HVAC Automation / Building Automation. Our products mainly applied for industrial,commercial and residential temperature control.
Our product range contains:
Thermostats, Motorized Zone Valves, Ball Valves, Valve Actuators, Damper Actuators, Controllers, Radiator valves, and etc.
HOTOWELL products are designed and used as field control products to be integrated with HVAC control systems such as:
BAS = Building Automation System
BMS = Building Management System
BEMS = Building Energy Management System
BAMS = Building Automation Management Systems
HVAC controls = Heating, Ventilation and Air Conditioning controls
Our objective is to develop, produce and design user-friendly products on the highest technical level. We place great value on always meeting the requirements of the latest technical standard. In this process we take the utmost care in complying with quality and safety standards and thus ensure a long service life for our products. Products that satisfy rigorous quality requirements can only be manufactured through modern manufacturing methods. Satisfaction of all safety and environmental guidelines is a matter of course for us.
Our Products – Save money and protect the environment!
Efficient energy management – in light of continuously rising energy prices, increasing damage to the environment, and the irresponsible use of our resources, efficient use and management of energy has become much more than an empty phrase. Who can still afford to have one’s heating system work at full load during one’s absence or during the night? Save energy, save money and protect the most precious and vital resources of our planet.
How to combine all this with a maximum of comfort and convenience – this was our goal. As a leader in technology and a trendsetter in the field of HVAC control technology, we have been offering to our customers mature and environmentally compatible solutions for the safe control and distribution of electric energy for many years.