Goodman Defrost Sensor 0130M00250

Goodman 0130M00250 Defrost Thermostat Sensor Replacement

Ensure your heat pump operates flawlessly during the winter months with the Goodman 0130M00250 Defrost Thermostat Sensor. This genuine OEM-specification bimetal switch is a critical safety and operational component designed to monitor outdoor coil temperatures and manage the transition into defrost mode

Product Overview

The 0130M00250 is a snap-acting bimetal thermostat that serves as the primary trigger for the defrost control board. When the outdoor temperature drops and frost begins to accumulate on the coils, this sensor closes to signal the board to begin the defrost cycle. Once the ice has melted and the coil temperature rises, the sensor opens to terminate the cycle, returning the system to normal heating operation.

Technical Specifications

Compatibility and Cross-Reference

This defrost sensor is a factory-authorized replacement for several Goodman, Amana, and Janitrol heat pump models.

• Direct Replacement for: 0130M00250S, B1311005.
• Commonly Found In: GSZ13, GSZ14, ASZ14, and DSZC series outdoor units.
• System Type: Designed for use in R-410A high-efficiency heat pump systems.

Symptoms of a Failing Defrost Sensor

A faulty 0130M00250 can lead to several performance issues that compromise your home comfort:

• Incomplete Defrost: The unit enters defrost mode but shuts off before all the ice has melted from the bottom of the coil.
• Total Freeze-Up: The sensor fails to "close," preventing the unit from ever entering defrost mode, resulting in a solid block of ice on the outdoor unit.
• Outdoor Fan Issues: The outdoor fan may fail to stop during the defrost cycle, which prevents the coil from reaching the necessary temperature to melt ice.
• Excessive Steam: If the sensor fails to "open" at the correct temperature, the unit may stay in defrost mode too long, causing unnecessary wear and loud hissing sounds.

Troubleshooting with a Multimeter

To confirm if your 0130M00250 requires replacement, use a multimeter to check for continuity:

• Cold Test: With the sensor clipped to a frozen coil (below 34°F), the meter should show continuity (near 0 $Omega$).
• Warm Test: At room temperature (above 60°F), the sensor should show an open circuit (Infinite $Omega$ / OL).
• If the sensor remains "Open" while the system is frozen, the internal bimetal disc has failed and the part must be replaced.

Shipping Information

• Continental US: Reliable shipping is available for all orders within the lower 48 states.
• Fast Processing: We understand that a frozen heat pump is an emergency. We prioritize quick fulfillment to get your system back online.
• Genuine Quality: We stock only high-quality, factory-authorized components to ensure long-term reliability in harsh winter conditions.

Order your genuine Goodman 0130M00250 today from Shorty’s HVAC Supplies and maintain peak efficiency all winter long.

Would you like me to find the specific wiring diagram for your Goodman model to help you identify exactly where this sensor plugs into the control board?