The 725 GNV auto natural gas changeover switch is a professional EFI control component designed for GNV, CNG and LPG dual-fuel vehicles. Every unit passes strict factory testing to guarantee reliable and stable petrol-gas fuel switching performance. This fuel selector sends precise working commands to autogas ECU and fuel supply actuators. It works perfectly with full range of CNG and LPG spare parts, including AT09 LPG pressure reducer for vehicle gas conversion kits.
Suitable for mixer-type and sequential injection autogas retrofit equipment, this switch fits most petrol-powered dual-fuel cars. We support bulk wholesale for global gas repair workshops, auto-parts distributors and conversion project partners.
Core Product Functions
Fully compatible with LPG and CNG sequential injection vehicle systems
Realize seamless petrol-to-gas and gas-to-petrol fuel switching, transmit accurate control signals to matching actuators
Applicable for mixer-type as well as sequential injection autogas modification equipment for various petrol vehicles
Product Parameters
| Product Name | CNG LPG EFI Fuel Changeover Switch Model 725 |
| Working Voltage | DC10V-15V |
| Working Current (No Solenoid Valve) | <500mA |
| Max Output Drive Current | 3A for petrol/gas actuator |
| Operating Temperature Range | -10℃ ~ +85℃ |
Product Advantages
Stable signal transmission with zero delay during petrol-gas fuel mode switching
Wide voltage and temperature adaptability, performs reliably under diverse vehicle operating environments
Strong load-driving capacity, compatible with most electromagnetic valves and mainstream autogas ECUs
Compact overall structure, simplified wiring design for fast installation in gas repair workshops
Circuit board processed with anti-aging treatment to extend overall service lifespan
Matching Information
This 725 fuel selector can cooperate with autogas ECUs, pressure reducers, injector rails and other retrofit components to build a complete dual-fuel conversion system. If you meet wiring or component matching troubles during gas kit installation, please consult our technical support team for guidance.
Frequently Asked Questions
Q1: What vehicle systems does the 725 changeover switch support?
A1: It supports both mixer-type and sequential injection CNG/LPG dual-fuel systems for most petrol cars, works for GNV autogas retrofit projects.
Q2: Why does fuel switching have delay or no response?
A2: Please check wiring connection, power supply voltage and solenoid load. Confirm the total actuator current does not exceed the maximum 3A output drive current of this switch.
Q3: Can this 725 switch work with AT09 LPG pressure reducer?
A3: Yes, it is fully compatible with AT09 LPG pressure reducer and most popular spare parts within CNG & LPG conversion kits.
Q4: Is professional knowledge required for installation?
A4: Correct wiring is critical. Installation should be completed by experienced autogas technicians to avoid circuit damage.
Q5: What is the operating temperature limitation for this switch?
A5: Normal operating temperature is -10℃ to +85℃. Do not mount it near high-heat engine components beyond this range.
Q6: Do you offer bulk wholesale for this 725 fuel selector switch?
A6: Yes, bulk wholesale is available for all autogas modification spare parts. We also support OEM requirements for large-volume orders.
Global Supply
The 725 CNG LPG changeover switch and full set of autogas spare parts are supplied to Latin America, Southeast Asia, South Asia, Middle East, Africa and Central Asia. We provide factory direct supply and technical consultation for autogas installers and importers worldwide.
