CA
5" HIGH LIMIT SWITCH L150-30F 5 High Limit Control Switches
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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
The 5-inch High Limit Switch is a critical safety component designed for HVAC systems and forced-air furnaces. This thermal limit control monitors the internal temperature of the heat exchanger to protect your heating system from overheating. Engineered as a normally closed switch, it automatically opens the electrical circuit when temperatures reach the 150°F threshold, effectively shutting down the burner or heating element to prevent equipment damage or fire hazards. Featuring a 30°F differential, the switch resets once the system cools to a safe operating temperature. This high-quality replacement sensor is essential for maintaining the safety and efficiency of residential and commercial heating units.
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 545-150 is a genuine OEM, or a factory replacement manufacturer approved part. We source all 5 Limit Switches from authorized distributors to ensure exact-fit compatibility. This 5 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 (545-150) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible 5 Limit Switches for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most 5 Limit Switches including the 545-150 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. 5 Limit Switches orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 545-150 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.
181 more not shown. Check your own model number above.
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