LENNOX AC HIGH PRESSURE SWITCH A/C parts
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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 your air conditioning system operates safely and efficiently with this premium high pressure switch. Designed as a critical safety mechanism for central cooling units, this component monitors refrigerant pressure within the system to protect the compressor from catastrophic damage. If the pressure exceeds safe operating thresholds, the switch triggers an automatic system shutdown, preventing costly mechanical failures and extending the lifespan of your HVAC equipment. This durable replacement part is essential for resolving issues where an AC unit frequently trips or fails to maintain cooling due to pressure imbalances. Crafted with high-quality materials for reliable performance in harsh outdoor environments, it is a key component for any professional HVAC repair or routine system maintenance.
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 782-177 is a genuine OEM, or a factory replacement manufacturer approved part. We source all A/C parts from authorized distributors to ensure exact-fit compatibility. This A/C part 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 (782-177) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible A/C parts for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most A/C parts including the 782-177 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. A/C parts orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 782-177 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.
20 more not shown. Check your own model number above.
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