16-20L Thermostatic Gas Proportional Control Valve
The 16-20L Thermostatic Gas Proportional Control Valve is specifically designed for mid-to-large capacity gas water heaters. Utilizing smart proportional adjustment technology, it precisely blends gas and air to maintain stable water temperatures, even during fluctuations in water pressure. With fast response and accurate flame control, this valve significantly improves combustion efficiency and energy savings. Compact in structure and easy to install, it is compatible with most 16L to 20L thermostatic models, making it an ideal component for enhancing both performance and user comfort.
Features
Reliable Temperature Regulation – Uses gas to maintain a stable water temperature.
Compatibility – For models of thermostatic gas water heater from 16L to 20L.
Provides better combustion efficiency and therefore, saves gas.
Stable and Secure – Automatic gas regulation to conveniently prevent overheating and flameout.
Compact Design – Simple installation and service, perfect for small applications.

Parameter | Specification | Description |
---|---|---|
Applicable Capacity | 16L - 20L | Suitable for water heater size |
Applicable Models | Thermostatic Gas Water Heaters | Compatible heater models |
Control Method | Gas Proportional Control | Type of gas flow regulation |
Rated Pressure | 0.1 - 0.25 MPa | Operating gas pressure range |
Connection Size | G1/2" or customizable | Valve inlet/outlet size |
Material | High-strength alloy or brass | Construction material |
Operating Temperature | -20℃ to +80℃ | Temperature range for operation |
Response Time | ≤ 1 second | Valve reaction speed |
Applicable Gas Types | Natural Gas, LPG | Compatible fuel types |
Service Life | ≥ 10,000 cycles | Number of open/close cycles |
Installation Method | Threaded connection | How the valve is installed |
Remarks | OEM customization supported | Additional notes |
FAQ
Q1: For which models is this proportional valve suitable?
A1: Applicable 16L~20L Thermostatic Gas Water Heater You would want go over the requirements for your heater.
Q2: Does it run on natural gas and LPG?
A2: Yes, it is applicable for natural gas and LPG. Before installation, ensure the gas type preset.
Q3: What kind of installation is this valve?
A3: It is a standard threaded connection. A professional technician should perform the installation to ensure safety and proper performance.
Q4: Is it possible to customize?
A4: Yes, we support OEM/ODM customization, such as interface size, gas type settings, materials, etc.
Q5: What is the service life of the valve?
A5: It has over 10,000 on/off cycles at normal use.