{"product_id":"oem-goodman-low-pressure-switch-for-aph1549m41ba-0130m00075","title":"OEM Goodman Low Pressure Switch for APH1549M41BA — 0130M00075","description":"\u003ch2\u003eGoodman 0130M00075 Low Pressure Switch\u003c\/h2\u003e\u003cp\u003eThe 0130M00075 is a genuine OEM low-pressure switch for the Goodman\/Amana \u003cstrong\u003eAPH1549M41BA\u003c\/strong\u003e packaged heat pump. Installed in the 24V safety circuit, it senses refrigerant suction pressure and opens the circuit to stop the compressor when pressure drops too low — the classic sign of a refrigerant undercharge, restriction, or loss-of-charge condition. This loss-of-charge protection prevents the compressor from running dry and burning out.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: low-pressure (loss-of-charge) safety switch\u003c\/li\u003e\n\u003cli\u003eCircuit: 24V control\/safety loop\u003c\/li\u003e\n\u003cli\u003eFunction: opens on low refrigerant suction pressure\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman\/Amana APH1549M41BA heat pump\u003c\/li\u003e\n\u003cli\u003ePart number: 0130M00075\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eLike all pressure controls, the cut-out and reset set points are what matter. A generic switch with mismatched pressures can shut the system down needlessly or fail to catch a real loss of charge. The \u003cstrong\u003eOEM 0130M00075\u003c\/strong\u003e carries the factory-calibrated set points for the APH1549M41BA, so it protects the compressor exactly as designed.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3 of 5).\u003c\/strong\u003e The switch mounts to a refrigerant port, typically over a Schrader-style fitting that keeps the system sealed during the swap. De-energize the unit, remove the two spade leads, unthread the old switch, install and torque the replacement, then reconnect. Confirm there is a Schrader depressor before starting; otherwise recovery is required. Budget 30–45 minutes.\u003c\/p\u003e\u003cp\u003eShips from a US warehouse. Fitment questions? Contact info@nationalhvacparts.com.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058291458419,"sku":"GOODMAN-15693","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-low-pressure-switch-for-aph1549m41ba-0130m00075","provider":"National HVAC Parts","version":"1.0","type":"link"}