{"product_id":"oem-goodman-low-pressure-switch-for-wph4342ahab-0130m00075","title":"OEM Goodman Low Pressure Switch for WPH4342AHAB — 0130M00075","description":"\u003ch2\u003eGenuine Goodman 0130M00075 Low Pressure Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman 0130M00075 is a factory-original low pressure safety switch engineered as a direct-fit replacement for the WPH4342AHAB package heat pump and compatible Goodman\/Amana condensing units. Wired into the low-side refrigerant circuit, this switch protects the compressor by interrupting the control voltage whenever suction pressure drops below the safe cutout threshold — guarding against loss-of-charge, a frozen coil, or restricted refrigerant flow. When the fault clears and pressure recovers, the switch automatically resets so the system can resume normal operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 0130M00075\u003c\/li\u003e\n\u003cli\u003eFunction: Low-side refrigerant pressure safety cutout\u003c\/li\u003e\n\u003cli\u003eReset: Automatic on pressure recovery\u003c\/li\u003e\n\u003cli\u003eFits: Goodman WPH4342AHAB and compatible Goodman\/Amana heat pumps\u003c\/li\u003e\n\u003cli\u003eCircuit: Normally closed, opens on pressure drop\u003c\/li\u003e\n\u003cli\u003eType: SPST snap-action refrigerant switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a genuine Goodman OEM component, calibrated to the exact pressure setpoints your unit's controls were designed around. Aftermarket generic switches are often cheaper but can trip early, trip late, or fail to reset — leading to nuisance lockouts or, worse, an unprotected compressor. For a part that directly guards a $1,000+ compressor, OEM calibration is the safer long-term value.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e A basic two-wire electrical swap on the refrigerant line. Most switches thread onto a Schrader-style access fitting, so replacement typically requires no refrigerant recovery. Always disconnect power at the disconnect before servicing. If your unit requires system evacuation, use a licensed EPA-certified technician.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCompatibility note: verify your model and serial tag before ordering. Contact info@nationalhvacparts.com if you need help confirming fitment.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058256757107,"sku":"GOODMAN-14945","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-low-pressure-switch-for-wph4342ahab-0130m00075","provider":"National HVAC Parts","version":"1.0","type":"link"}