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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
Ensure the safe and efficient operation of your heating and cooling systems with this high-performance White Rodgers air pressure switch. Designed as a reliable air proving solution, this switch monitors airflow and pressure differentials to verify that the blower or inducer motor is functioning correctly before the system proceeds with the ignition cycle. Built to withstand extreme environments, it operates effectively in temperatures ranging from -40°F to +109°F. This 15-amp switch is a vital safety component for residential and light commercial HVAC units, helping to prevent the buildup of hazardous gases and protecting your equipment from overheating. Ideal for HVAC technicians and DIY maintenance, this air sensing switch provides the precision required for modern high-efficiency appliances.
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
The 773-408 is made by White-Rodgers. It replaces the original part in compatible furnaces; check your model number to confirm the fit. This Air Pressure 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 (773-408) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible Air Pressure Switches for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most Air Pressure Switches including the 773-408 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. Air Pressure Switches orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 773-408 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.
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