+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3, Coquitlam
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
This professional-grade 1-pole contactor is a critical electrical component designed for high-performance HVAC systems. Functioning as a heavy-duty relay, this single-pole switch manages the electrical current flowing to demanding parts like your air conditioner's compressor or condenser fan motor. A properly functioning contactor is essential for the reliable cycling of your cooling or heating system, ensuring that high-voltage power is safely delivered when the thermostat calls for a temperature change. Built for durability and heat resistance, this electrical contactor helps prevent motor failure caused by pitted or welded contacts, maintaining the efficiency and longevity of your central air conditioning unit or heat pump.
Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.
1-778-759-9864Mon–Sat 8AM–5PM PT · Or email parts@bcfurnace.com
Compatible parts and related replacements
Yes. The 872-518 is a genuine Carrier OEM part, sourced from an authorized Carrier parts distributor. This electrical-transformers-relay is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
The easiest way is to match the part number (872-518) with your furnace model number. Visit the homepage 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.
Most electrical-transformers-relay including the 872-518 ship within 1–2 business days from our warehouse. We ship across Canada and the United States, and worldwide, with tracking on every order. For urgent furnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
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 872-518 is in stock before visiting.
Still not sure this is the right part? Call 1-778-759-9864 and we will check your model number with you.
The model number is on the rating plate inside the furnace door.
Many more not shown. Check your own model number above.
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