BCFURNACE
021-439
CA$150.70
+5% Tax • Shipping calculated at checkout.
Cut-Out Switch, High Pressure
1units available
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
Secure Payment
Fast Delivery
Local Pickup
Cut-Out Switch, High Pressure
Product Description
Authentic 021-439 OEM Repair Part for Your Furnace
An 021-439 Air Pressure Switch acts as key safety interlocks, confirming proper airflow and venting before your HVAC system ignites, preventing unsafe operation. Dependable air pressure switches protect your equipment and ensure system integrity by verifying safe conditions.
