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Amana-Goodman 45040017 Thermostat

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Special Price $39.86 Regular Price $51.82
In stock
SKU
45040017
The Amana-Goodman 45040017 Thermostat is a control component used to sense ambient conditions and assist to manage equipment operation. It monitors temperature changes and sends signals to the unit's control system to activate or adjust heating and cooling cycles as required in HVAC systems. It is placed within the equipment wiring and control assembly, and this part assists with maintaining selected settings and proper system response. Its operation allows a system to coordinate equipment operations, improve cycle accuracy and support efficient performance of air conditioning and heating units.
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Thermostats, HVAC Controls & Electrical
Manufacturer:
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Product Overview:
Maintaining accurate temperature regulation is essential for indoor comfort and efficient heating and cooling performance in PTAC units and room air conditioners. The Amana-Goodman 45040017 Thermostat is an OEM mechanical cold-control thermostat engineered to monitor return air conditions and regulate compressor cycling across compatible chassis units.

Thermostat Operation & System Role:
This line-voltage mechanical thermostat uses a copper capillary sensing bulb filled with thermal fluid to detect ambient return air temperatures. As temperatures fluctuate, internal gas expansion or contraction moves a mechanical bellows, directly opening or closing high-amp line-voltage contacts to cycle the compressor without reliance on low-voltage logic controls.

Replacement Guidelines:
Replace Amana-Goodman 45040017 when the existing thermostat suffers gas leaks in the capillary tube, frozen bellows, or burned contact terminals. Disconnect main line power to the unit before servicing, and handle the flexible capillary bulb carefully to avoid kinking during routing. Before ordering, verify part number 45040017, line-voltage ratings (up to 250V AC / 25A), and physical mounting layout.

Common Failure Symptoms:

  • The compressor fails to engage because gas has leaked from a cracked or kinked capillary tube.
  • The cooling system runs continuously without cycling off due to welded internal contact points.
  • The control shaft binds, slips, or fails to adjust mechanical cut-in and cut-out thresholds.
  • Physical corrosion on the line-voltage terminals causes electrical resistance or complete loss of continuity.

Equipment Compatibility:
The Amana-Goodman 45040017 Thermostat is compatible with Amana and Goodman models AE183B35, AE093A35, AH093A35, AE123A35, AH123A35, AE093B35, AE123B35, AE183A35, and AH183A35. Always cross-reference part number 45040017, calibration code WP15.7B-LR, and model numbers against manufacturer documentation prior to replacement.

Technical Specifications:
Brand: Amana-Goodman
Part number: 45040017
Product Type: Thermostat

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Product Questions (4)
Customer Questions
What function does the Amana-Goodman 45040017 Thermostat perform?

The Amana-Goodman 45040017 senses return air temperature via its capillary bulb and directly switches line-voltage power to cycle the compressor in PTAC and room air conditioning units.

Is the Amana-Goodman 45040017 a low-voltage (24V) or line-voltage thermostat?

It is a heavy-duty line-voltage mechanical thermostat designed to handle direct power switching (up to 250V AC) rather than 24V control signals.

What does calibration code WP15.7B-LR mean for this thermostat?

Calibration code WP15.7B-LR designates the specific factory mechanical temperature thresholds, capillary length, and shaft orientation required for matching Amana-Goodman equipment.

How do I confirm if part number 45040017 fits my air conditioning unit?

Verify that your unit model (such as AE093A35, AH093A35, AE123A35, or AH123A35) uses a mechanical capillary thermostat and matches part number 45040017 in your equipment documentation.