CA
7" HIGH LIMIT SWITCH L300-30F, 547-300
+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
Ensure the safety and efficiency of your heating equipment with this 7-inch high limit switch. Designed as a critical thermal safety control, this switch monitors internal temperatures to prevent overheating in various appliances. It acts as a protective cutout, automatically interrupting the electrical circuit if the temperature reaches its 300°F threshold and resetting once it cools by 30°F. This durable replacement part is essential for maintaining the integrity of heating elements and protecting internal components from thermal damage. Ideal for HVAC technicians and DIY homeowners alike, this high limit control provides reliable performance and peace of mind by reducing fire hazards and system failure in high-heat environments.
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 547-300 is a genuine OEM, or a factory replacement manufacturer approved part. We source all 7 Limit Switches from authorized distributors to ensure exact-fit compatibility. This 7 Limit Switch 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 (547-300) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible 7 Limit Switches for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most 7 Limit Switches including the 547-300 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. 7 Limit Switches orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 547-300 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.
15 more not shown. Check your own model number above.
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