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Goodman

OEM Goodman Low Pressure Switch for WPH4348AHBB — 0130M00075

SKU: GOODMAN-14979 Brand: Goodman
$22.95 $29.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The Goodman 0130M00075 Low Pressure Switch is a genuine OEM safety control for the WPH4348AHBB packaged heat pump. It monitors refrigerant suction pressure and opens the control circuit to stop the compressor when pressure drops too low — guarding against loss-of-charge, a refrigerant leak, or a restricted metering device. Running a compressor under low-charge conditions leads to overheating and expensive failure, which this switch prevents.

Specifications

  • Part Number: 0130M00075
  • Type: Low-pressure cut-off switch
  • Fits: Goodman WPH4348AHBB and compatible models
  • Function: Opens control circuit on low refrigerant suction pressure
  • Reset: Factory-set trip/reset thresholds

OEM vs. Generic

The OEM 0130M00075 uses Goodman's exact factory setpoints so the compressor is protected at the correct suction pressure. Generic switches with mismatched calibration can nuisance-trip in cold weather or fail to protect during a real leak. Matching OEM calibration keeps protection accurate and reliable.

Install Difficulty

Moderate — Connects to the suction line and control wiring; sealed-system access may be required, so EPA 608 certification is recommended. Disconnect power before servicing and follow proper recovery procedures if the line must be opened.

Authentic Goodman safety part, in stock with fast shipping and a fit guarantee.

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

Frequently Asked Questions

Does this Pressure Switch fit my Goodman WPH4348AHBB — 0130M00075?
Yes. This is the factory-specified OEM pressure switch for the Goodman WPH4348AHBB — 0130M00075. 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 pressure switch on my Goodman WPH4348AHBB — 0130M00075?
Difficulty: Medium (20–30 min)
Step 1: Turn off power. Step 2: Locate pressure switch near draft inducer. Step 3: Note tubing orientation. Step 4: Disconnect tubing and wires. Step 5: Remove screw, install new switch. Step 6: Reconnect tubing and wires, restore power.
My furnace shows a pressure switch error. What do I replace?
Furnace LED showing pressure switch error = switch not detecting draft inducer airflow. Try first: clear the rubber tubing to the switch (often clogged with condensation). If problem persists, replace the pressure switch.
Is this pressure switch 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 pressure switch?
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.
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Mike Rivera
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