220V to DC 3V Transformer – Flue Gas Water Heater Power Supply
220V to DC 3V Transformer – Flue Gas Water Heater Power Supply
Stop Replacing Batteries — Power Your Flue Gas Water Heater Directly from the Mains
Tired of weak ignition or unexpected shutdowns caused by low batteries in your flue-type gas water heater? This compact 220V to DC 3V Power Supply Transformer is the smart upgrade that eliminates battery dependency for good. Simply replace your water heater's existing battery box with this plug-in converter and enjoy consistent, stable DC 3V power drawn directly from your home's AC 220V mains supply.
Made in Mainland China.
Key Features
- Converts AC 220V → DC 3.0–3.5V: Built-in transformer circuit board steps mains voltage down to the exact DC level your flue-type water heater requires.
- Eliminates Battery Issues: No more weak ignition or misfires caused by low or depleted batteries — delivers steady, reliable power every time.
- Direct Battery Box Replacement: Designed to slot in where your existing battery holder sits, making installation clean and straightforward.
- Generous 1.8M Cable: The long lead gives you flexible positioning without straining connections.
- Output Current of 1.2A: Sufficient to keep your water heater's ignition and control systems running smoothly.
- Universal Fit: Compatible with most flue-type gas water heaters that run on a DC 3V battery supply.
Specifications
| Input Voltage | AC 220V |
| Output Voltage | DC 3.0–3.5V |
| Output Current | 1.2A |
| Cable Length | 1.8 Metres |
| Applicable Device | Flue-type gas water heater |
| Package Contents | 1 × Power Supply Transformer |
Who Is This For?
This transformer is ideal for homeowners and renters with flue-type gas water heaters that use a DC 3V battery box for ignition and control. It's a simple, cost-effective fix for anyone who has experienced unreliable ignition due to drained batteries, and it removes the ongoing cost and inconvenience of battery replacement entirely.
Related Products You May Also Need
- 1PC 400cm Sealing Tape – Faucet & Gas Pipeline Leak-Proof Sealing Tape
- 1PC Multi-Use Faucet Bubbler Wrench Set – 6 Sizes for Kitchen & Bathroom Repairs
- 1PC Exhaust Duct Interface Pipe Hose Connector for AC & Exhaust Pipe Extensions
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: Will this 220V to 3V transformer work with my gas water heater?
A: This transformer is designed for flue-type gas water heaters that use a DC 3V battery box for ignition and operation. If your water heater originally runs on DC 3V batteries, this converter is likely compatible. We recommend checking your water heater's battery compartment voltage requirement before purchasing to confirm compatibility.
Q: How difficult is it to install the power supply transformer?
A: Installation is straightforward — the unit is designed to replace the existing battery box on your flue-type water heater. Simply connect the output leads to the contacts where your battery holder was connected, and plug the transformer into a standard AC 220V wall outlet. Always ensure the mains power is switched off before making any electrical connections, and consult a qualified electrician if you are unsure.
Q: How long is the power cable, and is it long enough to reach a wall socket?
A: The transformer comes with a 1.8-metre (approximately 6-foot) cable, which is sufficient for most standard installations where the water heater is located near a wall outlet. If your outlet is further away, a suitable extension lead may be used.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.