1-778-759-9864
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BCFurnace

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BCFURNACE

120-729

$323.00

+5% Tax • Shipping calculated at checkout.

U.S. Duties/Taxes, if applicable, may be due at time of delivery.

Name

TRANSFORMER,120/208/240V,24V/75VA,50/60H

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Not sure this fits your furnace? Call us — we're happy to help

Product Details

Description

This high-performance multi-tap transformer is a vital electrical component designed for HVAC systems, including furnaces, air conditioners, and heat pumps. It functions as a step-down transformer, efficiently converting high-voltage input (120V, 208V, or 240V) into a stable 24V output required to power thermostats, control boards, and relays. With a robust 75VA power rating, it provides reliable energy for both residential and light commercial climate control equipment. This part is a common solution for restoring power to low-voltage control circuits when a system fails to trigger or communicate with the thermostat. Its dual-frequency compatibility (50/60Hz) ensures versatile operation across various power grids, making it an essential replacement part for maintaining optimal heating and cooling performance.

Specifications

Type
Electrical Transformer
Size
Standard HVAC Control Transformer
Application
Used in heating and cooling systems such as central air conditioners, electric or gas furnaces, and heat pump units to provide low-voltage power to control circuits.
Specifications
Input Voltage: 120/208/240V AC; Output Voltage: 24V AC; Power Rating: 75VA; Frequency: 50/60Hz; Configuration: Multi-tap primary

Not sure this is the right part?

Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.

1-778-759-9864

Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com

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Frequently Asked Questions

Is the 120-729 a genuine OEM part?
Yes, the 120-729 is a genuine OEM replacement part manufactured by BCFurnace. We source all electrical-transformers-relay from authorized distributors to ensure exact-fit compatibility. This electrical-transformers-relay is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
How do I know if the 120-729 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (120-729) with your furnace model number. Visit the BCFurnace page on our site and enter your model number in the search bar — our system will show all compatible electrical-transformers-relay for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
How fast can I get the 120-729 shipped?
Most electrical-transformers-relay including the 120-729 ship within 1–2 business days from our warehouse. We ship across Canada and the United States with tracking on every order. For urgent BCFurnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
Can I pick up the 120-729 at your store?
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. electrical-transformers-relay orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 120-729 is in stock before visiting.

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