What are the specs for this Defrost Thermostat?

The correct replacement for Goodman model ASZ130421AC Heat Pump — 0130M00105 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Goodman equipment which lists the model number ASZ130421AC Heat Pump — 0130M00105.

What symptoms indicate I need a new defrost thermostat?

Common symptoms that indicate you need a new defrost thermostat include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

IMAGE COMING SOON

Goodman

OEM Goodman Defrost Thermostat for ASZ130421AC Heat Pump — 0130M00105

Name: OEM Goodman Defrost Thermostat for ASZ130421AC Heat Pump — 0130M00105
Brand: Goodman
SKU: GOODMAN-16262
Price: 12.95 USD
Availability: InStock

SKU: GOODMAN-16262 Brand: Goodman

$12.95 $16.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The Goodman 0130M00105 Defrost Thermostat is the genuine OEM temperature sensor that triggers the defrost cycle on the ASZ130421AC heat pump. Clamped to the outdoor coil, it closes when coil temperature drops to the frost threshold and opens once the coil warms, telling the defrost board when to reverse the cycle. A failed defrost thermostat causes ice buildup, poor heating, and higher energy bills — this inexpensive part is a common and worthwhile repair.

Specifications

OEM Part Number: 0130M00105
Category: Defrost Control / Temperature Switch
Type: Bi-metal snap-disc, coil-mount
Function: Initiates and terminates the defrost cycle
Fits Model: ASZ130421AC (Goodman 13 SEER, 3.5-ton heat pump)
Brand: Goodman

OEM vs. Generic

The OEM Goodman defrost thermostat is calibrated to the exact close/open set points the ASZ130421AC defrost board expects. Generic snap-discs with the wrong temperature ratings cause short-cycling or ice accumulation. For reliable defrost timing, install the factory-specified part.

Installation Difficulty

Moderate (2/5). Disconnect power, unclip the sensor from the coil, transfer the two wire leads, and re-clamp. No refrigerant work is required, but correct coil placement matters for accurate sensing.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Goodman Defrost Thermostat f...

$12.95

Frequently Asked Questions

Does this Defrost Thermostat fit my Goodman ASZ130421AC Heat Pump — 0130M00105?

Yes. This is the factory-specified OEM defrost thermostat for the Goodman ASZ130421AC Heat Pump — 0130M00105. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the defrost thermostat on my Goodman ASZ130421AC Heat Pump — 0130M00105?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new defrost thermostat?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this defrost thermostat compatible with Bryant or Payne too?

Many Goodman parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Goodman defrost thermostat?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

Menu