--- product_id: 127355818 title: "1 Pack 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Transformer Multi Tap" brand: "fiada" price: "VT9496" currency: VUV in_stock: true reviews_count: 9 category: "Fiada" url: https://www.desertcart.vu/products/127355818-1-pack-24v-40va-control-transformer-primary-120-208-240v store_origin: VU region: Vanuatu --- # 40VA power rating Compact 3.7x2x2.2 inch size Multi-tap 120/208/240V input 1 Pack 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Transformer Multi Tap **Brand:** fiada **Price:** VT9496 **Availability:** ✅ In Stock ## Summary > ⚡ Power your HVAC like a pro — reliable, versatile, and ready to install! ## Quick Answers - **What is this?** 1 Pack 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Transformer Multi Tap by fiada - **How much does it cost?** VT9496 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/127355818-1-pack-24v-40va-control-transformer-primary-120-208-240v) ## Best For - fiada enthusiasts ## Why This Product - Trusted fiada brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Clear Wiring Guidance:** Color-coded wires and straightforward instructions minimize installation errors and downtime. - • **Consistent 24V Output:** Delivers stable 24V secondary voltage to power your control circuits without interruption. - • **Versatile Multi-Tap Input:** Seamlessly switch between 120V, 208V, or 240V primary voltages for ultimate HVAC compatibility. - • **Compact & Foot-Mount Design:** Space-saving footprint with easy foot-mount installation for quick, hassle-free setup. - • **Trusted Durability & Support:** Built to last with a 2-year warranty and responsive customer service backing your investment. ## Overview The Fiada 24V 40VA Control Transformer is a compact, multi-tap HVAC transformer designed for professional and DIY use. Supporting primary voltages of 120, 208, and 240V, it reliably steps down to 24V for control circuits in heating and cooling systems. Its foot-mount design and clear wiring instructions enable quick installation, while a robust build and 2-year warranty ensure long-term performance. Ideal for HVAC replacements, relays, and gas valve controls, this transformer combines versatility, durability, and ease of use at an affordable price point. ## Description Fiada 1 Pack 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Transformer Multi Tap: desertcart.com: Industrial & Scientific Review: Reliable and Easy-to-Install Transformer for Replacing an HVAC System - **Fiada 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V** **Reliable and Easy-to-Install Transformer for Replacing an HVAC System** I recently had to replace the transformer in my AC unit, and I opted for the Fiada 24V 40VA Control Transformer. The installation process was straightforward, and this transformer has worked perfectly since then, making it a solid choice for anyone needing a reliable replacement part for their HVAC system. **What I Liked:** - **Multi-Tap Versatility**: This transformer is designed with multi-tap options for primary voltages (120V, 208V, and 240V), which made it incredibly versatile for different setups. I appreciated the flexibility since it ensured compatibility with my specific HVAC system. Whether your system uses 120, 208, or 240 volts, this transformer has you covered, which makes it a convenient option for various installations. - **Easy Installation**: The installation process was straightforward, even for someone like me who’s not a professional HVAC technician. The wiring instructions were clear, and the color-coded wires made it easy to connect everything correctly. I had the old transformer out and the new one installed in about 30 minutes, and the system fired up without any issues. - **Reliable Performance**: Since installing the Fiada transformer, my AC unit has been running smoothly without any problems. The transformer is doing its job reliably, providing consistent 24V power to the control circuit. It’s a critical component, and this one is delivering the performance I was hoping for. - **Durable Build**: The transformer feels well-built and solid, which is reassuring when dealing with essential components in an HVAC system. The construction seems robust enough to handle the demands of continuous use, and I’m confident it will last for the long term. - **Affordable Price**: For the quality and versatility this transformer offers, the price is very reasonable. It’s an affordable solution for replacing a failing transformer, and it saves a lot of money compared to hiring a technician to source and install a new one. It’s a cost-effective way to keep your HVAC system running smoothly. **What I Didn’t Like:** - **Lack of Mounting Hardware**: The transformer didn’t come with any mounting hardware, which meant I had to reuse the screws from the old transformer. It wasn’t a big deal, but including a set of screws would have been a nice touch, especially for those replacing a transformer for the first time. - **No Included Wire Connectors**: While the transformer has clear wiring instructions, it didn’t come with any wire connectors, which are essential for a secure installation. If you don’t have extra connectors on hand, you’ll need to pick some up before starting the installation. It’s a minor inconvenience, but something to keep in mind. - **Limited Instructions**: The included instructions are basic and assume some prior knowledge of HVAC systems. If you’re not familiar with electrical work, you might need to do a bit of research or consult someone who knows what they’re doing. However, with a little preparation, most DIYers should be able to handle the installation. **Bottom Line:** The Fiada 24V 40VA Control Transformer is a reliable and versatile option for replacing the transformer in an HVAC system. Its multi-tap primary voltage options, ease of installation, and consistent performance make it an excellent choice for both professionals and DIYers. While the lack of mounting hardware and wire connectors could be a slight inconvenience, the overall quality and affordability of this transformer more than make up for it. If you’re looking for a dependable replacement transformer that’s easy to install and won’t break the bank, the Fiada transformer is a great option. It’s been working flawlessly in my AC unit, and I’m very satisfied with its performance. Review: Works great with Nest doorbell - If you are looking for a transformer that works with the poorly named "Nest doorbell (Battery)" which actually works with wired power too, look no further. That doorbell in wired mode needs 16-24V AC for whatever reason (why can't they just accept 110-240V AC like normal products) and I can't believe they just let you fend for yourself to get the AC to AC transformer. And because I needed to install it in my mom's place overseas, I really needed it to do a step down from 240V. I could not have asked for a better product. Super clear color coding and instructions to install. I just wish it came with an enclosure and screws so I could mount it on a wall. The electrician who set up the doorbell for me got his own enclosure and that worked out. ## Features - 【Please Note】Unused input wires must be insulated! The white wire is the common wire for the transformer windings and is not connected to the external circuit. Only one input voltage group can be used at a time. For 120V input: Connect only the white and black wires, insulate red & orange.For 208V input: Connect only the white and red wires, insulate black & orange.For 240V input: Connect only the white and orange wires, insulate black & red - 【Power Transformers Specifications】Primary voltage: 120, 208, 240V. Secondary voltage: 24V. Power Rating: 40VA volt amp; HVAC 24V transformer size: 3.7 x 2 x 2.2 inches - 【Wide Application】This Power Transformers is designed for use in industrial, heating and air conditioning controls, including air conditioning circuits, relays, and gas valves or other applications that do not exceed the listed ratings - 【Easy to Set Up】Don't worry about wiring troubles, with a clear wiring diagram and foot mount design, you can complete the installation in a short time - 【Guaranteed Quality】We offer 2 Years product maintain. If you have any questions, please contact us as soon as possible, we will deal with it for you in time ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07RDBS6NK | | Best Sellers Rank | #31,016 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #13 in Power Transformers | | Brand Name | Fiada | | Current Rating | 1.67 Amps | | Customer Reviews | 4.5 4.5 out of 5 stars (1,279) | | Included Components | 1 | | Item Dimensions D x W x H | 2"D x 3.7"W x 2.2"H | | Item Type Name | Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap | | Manufacturer | Fiada | | Minimum Frequency | 50 Hz | | Model | 1 | | Mounting Type | Foot Mount | | Part Number | 1 | | Power Source | Corded Electric | | Specification Met | UL | | UPC | 742377876603 | | Warranty Description | 1 | ## Product Details - **Brand:** Fiada - **Current Rating:** 1.67 Amps - **Mounting Type:** Foot Mount - **Power Source:** Corded Electric - **Product Dimensions:** 2"D x 3.7"W x 2.2"H ## Images ![1 Pack 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Transformer Multi Tap - Image 1](https://m.media-amazon.com/images/I/71uEOYJuf9L.jpg) ## Available Options This product comes in different **Item Package Quantity** options. ## Questions & Answers **Q: What’s the input voltage?** A: It has multiple inputs, 120v, 208v and 240v **Q: Does this make a buzzing sound? my current one (be15840gdd with the same specs) is very loud and i am looking to replace it.** A: Mine doesn’t buzz. After time old transformer windings can loosen up an make a buzzing sound. If a new transformer buzzes it may be an indication that your load is drawing to much current which is over loading the transformer. **Q: Can I use it to power a thermostat?** A: I think it works, but you should check the voltage requirements of your thermostat firstly, consult with a electrician if necessary. **Q: lundahl output transformer where can i buy them** A: Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap https://www.amazon.com/dp/B07RDBS6NK/ref=cm_sw_r_cp_api_i_C8QE134RFA18QWX8VH4D ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable and Easy-to-Install Transformer for Replacing an HVAC System *by H***Y on August 15, 2024* **Fiada 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V** **Reliable and Easy-to-Install Transformer for Replacing an HVAC System** I recently had to replace the transformer in my AC unit, and I opted for the Fiada 24V 40VA Control Transformer. The installation process was straightforward, and this transformer has worked perfectly since then, making it a solid choice for anyone needing a reliable replacement part for their HVAC system. **What I Liked:** - **Multi-Tap Versatility**: This transformer is designed with multi-tap options for primary voltages (120V, 208V, and 240V), which made it incredibly versatile for different setups. I appreciated the flexibility since it ensured compatibility with my specific HVAC system. Whether your system uses 120, 208, or 240 volts, this transformer has you covered, which makes it a convenient option for various installations. - **Easy Installation**: The installation process was straightforward, even for someone like me who’s not a professional HVAC technician. The wiring instructions were clear, and the color-coded wires made it easy to connect everything correctly. I had the old transformer out and the new one installed in about 30 minutes, and the system fired up without any issues. - **Reliable Performance**: Since installing the Fiada transformer, my AC unit has been running smoothly without any problems. The transformer is doing its job reliably, providing consistent 24V power to the control circuit. It’s a critical component, and this one is delivering the performance I was hoping for. - **Durable Build**: The transformer feels well-built and solid, which is reassuring when dealing with essential components in an HVAC system. The construction seems robust enough to handle the demands of continuous use, and I’m confident it will last for the long term. - **Affordable Price**: For the quality and versatility this transformer offers, the price is very reasonable. It’s an affordable solution for replacing a failing transformer, and it saves a lot of money compared to hiring a technician to source and install a new one. It’s a cost-effective way to keep your HVAC system running smoothly. **What I Didn’t Like:** - **Lack of Mounting Hardware**: The transformer didn’t come with any mounting hardware, which meant I had to reuse the screws from the old transformer. It wasn’t a big deal, but including a set of screws would have been a nice touch, especially for those replacing a transformer for the first time. - **No Included Wire Connectors**: While the transformer has clear wiring instructions, it didn’t come with any wire connectors, which are essential for a secure installation. If you don’t have extra connectors on hand, you’ll need to pick some up before starting the installation. It’s a minor inconvenience, but something to keep in mind. - **Limited Instructions**: The included instructions are basic and assume some prior knowledge of HVAC systems. If you’re not familiar with electrical work, you might need to do a bit of research or consult someone who knows what they’re doing. However, with a little preparation, most DIYers should be able to handle the installation. **Bottom Line:** The Fiada 24V 40VA Control Transformer is a reliable and versatile option for replacing the transformer in an HVAC system. Its multi-tap primary voltage options, ease of installation, and consistent performance make it an excellent choice for both professionals and DIYers. While the lack of mounting hardware and wire connectors could be a slight inconvenience, the overall quality and affordability of this transformer more than make up for it. If you’re looking for a dependable replacement transformer that’s easy to install and won’t break the bank, the Fiada transformer is a great option. It’s been working flawlessly in my AC unit, and I’m very satisfied with its performance. ### ⭐⭐⭐⭐⭐ Works great with Nest doorbell *by T***K on October 9, 2024* If you are looking for a transformer that works with the poorly named "Nest doorbell (Battery)" which actually works with wired power too, look no further. That doorbell in wired mode needs 16-24V AC for whatever reason (why can't they just accept 110-240V AC like normal products) and I can't believe they just let you fend for yourself to get the AC to AC transformer. And because I needed to install it in my mom's place overseas, I really needed it to do a step down from 240V. I could not have asked for a better product. Super clear color coding and instructions to install. I just wish it came with an enclosure and screws so I could mount it on a wall. The electrician who set up the doorbell for me got his own enclosure and that worked out. ### ⭐⭐⭐⭐⭐ Fixed my HVAC! *by T***I on December 28, 2024* This Fiada transformer is a solid choice for replacing your HVAC furnace transformer. It's well-made, easy to install, and runs quietly. I like that it has multiple taps for voltage adjustments, which makes it compatible with a variety of systems. It's been working flawlessly for me so far, and I'm confident it will last for years to come. ## Frequently Bought Together - Fiada 24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Transformer Multi Tap (1 Pack) - Dreyoo Carrier HVAC Motor Contactor, 24V 40 A Coil 2 Pole Replacement Relays Compatible with C230B, Air Conditioner, Heat Pump, Refrigeration Systems(1 Pcs) - VEXUNGA 7.5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/127355818-1-pack-24v-40va-control-transformer-primary-120-208-240v](https://www.desertcart.vu/products/127355818-1-pack-24v-40va-control-transformer-primary-120-208-240v) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-05*