1-778-759-9864
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BCFurnace

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BCFURNACE

121-159

$1,626.00

+5% Tax • Shipping calculated at checkout.

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

Name

PROTECTOR RELAY PRIMARY CONTROL

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Fast Delivery
Local Pickup

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

Product Details

Description

This high-quality Protector Relay Primary Control is a critical electrical component designed for residential and commercial HVAC systems, including furnaces and air handlers. It serves as a vital safety and operational link, managing the startup sequence of the system's motor and heating elements while providing essential overload protection. By monitoring electrical flow, this relay prevents damage caused by power surges or circuit faults, ensuring your heating and cooling equipment operates reliably. Ideal for professional repairs or routine maintenance, this primary control relay helps restore efficient performance to climate control systems, ensuring consistent temperature regulation and enhanced equipment longevity.

Specifications

Type
Electrical Control / Protector Relay
Size
Standard electrical module
Application
Commonly used in furnaces, air handlers, and central HVAC units to regulate electrical cycles and protect against motor overheating or electrical failure.
Specifications
Primary sequence control, integrated thermal or current overload protection, durable contact points for high-cycle reliability, designed for standard HVAC control boards.

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 121-159 a genuine OEM part?
Yes, the 121-159 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 121-159 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (121-159) 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 121-159 shipped?
Most electrical-transformers-relay including the 121-159 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 121-159 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 121-159 is in stock before visiting.

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