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โก Power your HVAC like a proโtransform control, transform comfort!
The WUYELIN 24V 40VA Control Transformer is a CE-certified, multi-tap isolation transformer designed for HVAC furnace controls. It supports primary voltages of 120/208/240V AC and delivers a reliable 24V AC output at 1.66A, making it ideal for air conditioning circuits, relays, and gas valves. Its compact foot mount design ensures easy, secure installation, while offering exceptional value compared to costly commercial replacements.






| ASIN | B0B8Z2XV7V |
| Best Sellers Rank | 101,788 in DIY & Tools ( See Top 100 in DIY & Tools ) 70 in Transformers (DIY & Tools) |
| Brand | WUYELIN |
| Country Of Origin | China |
| Current Rating | 1.66 Amps |
| Current rating | 1.66 Amps |
| Customer Reviews | 4.5 out of 5 stars 494 Reviews |
| Included Components | iron |
| Item Dimensions D x W x H | 5.2D x 6.8W x 5.8H centimetres |
| Item Weight | 0.75 Kilograms |
| Manufacturer | Shenzhen Yelinda Electronics Co., Ltd. |
| Manufacturer Part Number | PS-AC2440D |
| Maximum Frequency | 60 Hz |
| Minimum Frequency | 50 Hz |
| Model Number | PS-AC2440D |
| Mounting Type | Foot Mount |
| Mounting type | Foot Mount |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | AC Power |
| Power source | AC Power |
| Product dimensions | 5.2D x 6.8W x 5.8H centimetres |
| Specification Met | CE |
| Specification met | CE |
| UPC | 768461152330 |
| Unit Count | 1.0 count |
C**E
Best price
Best price and value for money
M**S
AC Thermostat/condensor contactor transformer
Works great and very good price. A commercial ac company will charge 300 times the price to replace. Best deal for your buck by a million!
T**K
Used this transformer in Stem kits before with no issues.
I am changing my one star review to a five. The issue below was caused by me connecting two transformers to a common 24 VAC output, wiring error on part. After attaching 120 vac to the whittle and black wires for 120 vac input and the 24 vac output. Without any loads attached to the 28 vac leads the transformer heated up and failed with smoke and the smell of burnt electronics. Iโm still debating if I did something wrong or it was defective.
J**F
Transformer
Good transformer for hvac repair
K**N
Great for wired camera doorbells
This doorbell transformer worked great for wiring my Eufy camera doorbell. The 120V to 240V conversion was exactly what I needed, and the installation process was much easier thanks to the clear and detailed instruction manual that came with it. The instructions were easy to follow and helped make the setup straightforward. Overall, this was a great upgrade and a reliable solution for powering my doorbell camera.
R**R
So far, so good...
Works as it should. How long it lasts is the question. No complaints. Good price. Fast delivery.
Trustpilot
1 month ago
5 days ago