1-778-759-9864
United States (USD $) flagUnited States (USD $)
BCFurnace

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BCFURNACE

120-709

$310.00

+5% Tax • Shipping calculated at checkout.

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

Name

TRANSFORMER,120-24V

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Local Pickup

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

Product Details

Description

This premium 120V to 24V step-down transformer is a critical electrical component designed to power the low-voltage control circuits in residential and commercial HVAC systems. By converting standard 120-volt household current into the 24-volt power required by thermostats, gas valves, and integrated furnace control boards, this part ensures your heating and cooling equipment operates reliably. It is a common replacement part for furnaces, air conditioners, and heat pumps when the system fails to engage or the thermostat loses power. Built for durability and consistent voltage output, it helps protect sensitive electronic components from power fluctuations and provides the necessary energy for relays and contactors.

Specifications

Type
Electrical Step-Down Transformer
Size
Standard HVAC chassis mount
Application
Used primarily in furnaces, air handlers, and central air conditioning systems to provide low-voltage power to thermostats, ignition modules, and control relays.
Specifications
Input Voltage: 120V AC; Output Voltage: 24V AC; Function: Power conversion for HVAC control systems; Type: Class 2 Transformer.

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 120-709 a genuine OEM part?
Yes, the 120-709 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 120-709 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (120-709) 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 120-709 shipped?
Most electrical-transformers-relay including the 120-709 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 120-709 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 120-709 is in stock before visiting.

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