CA
No image available
+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
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
This heavy-duty 575V transformer is a critical electrical component designed for commercial HVAC systems and industrial machinery. With a robust 100VA power rating and operating at a standard 60Hz frequency, this control transformer is engineered to safely convert high-voltage power to the levels required for internal control circuits, relays, and thermostats. It is an essential replacement part for maintaining the electrical integrity and operational efficiency of large-scale air conditioning units, heat pumps, and packaged cooling systems. Built for durability and long-term reliability, this transformer ensures that your equipment's sensitive electronics receive consistent power, preventing system downtime and electrical malfunctions.
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–9PM PST · Or email parts@bcfurnace.com
Compatible parts and related replacements
Yes, the 120-850 is a genuine OEM, or a factory replacement manufacturer approved part. 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.
The easiest way is to match the part number (120-850) 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 120-850 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 120-850 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.
220 more not shown. Check your own model number above.
Looking for more electrical-transformers-relay?
