Amana-Goodman B1370819 Door Switch

The Amana-Goodman B1370819 Door Switch is a critical genuine OEM replacement part engineered for high-voltage interlock safety in residential and commercial HVAC systems. Designed for precise fitment in Amana and Goodman furnaces and air handlers, this SPST (Single Pole Single Throw) momentary switch serves as a primary safety cut-off. It ensures that the blower motor and burner assembly are de-energized whenever the service access panel is removed. Replacing a faulty or sticking furnace door safety switch with this factory-authorized component restores the integrity of the unit’s safety circuit, preventing hazardous operation during maintenance. This Goodman B1370819 switch is built to withstand high-cycle operations and the temperature fluctuations common within the cabinet enclosure, ensuring long-term electrical continuity and reliable mechanical actuation for professional contractors and technicians.

• OEM Compatibility: Exact drop-in replacement for Amana-Goodman B1370819, ensuring terminal alignment and mounting hole precision.
• Enhanced Safety: Positively interrupts power to the control board to prevent accidental startup during blower compartment service.
• Durable Construction: High-quality internal contacts designed to manage interlock switch electrical loads without premature carbon tracking or pitting.
• Direct Fit: Eliminates the need for field modifications or bracket bending required by universal "will-fit" alternatives.

How do I test the Goodman B1370819 switch?
Use a multimeter set to continuity. With the plunger depressed, the circuit should be closed; when released, the circuit should open. If there is high resistance while closed, the switch requires replacement.

Will this switch work on other brands?
While primarily used in Goodman, Amana, and Janitrol equipment, it may fit other brands using the same mounting footprint; however, verifying the specific HVAC part number is required for safety compliance.

What causes a door switch to fail?
Typically, failure occurs due to physical damage to the plunger, loose spade connectors, or internal arcing that prevents the switch from passing voltage to the furnace control board.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.