{"product_id":"42-24194-82-hvac-pressure-switch","title":"HVAC Pressure Switch - 42-24194-82","description":"\u003cp\u003eEnsure the safe and efficient operation of your heating system with the HVAC Pressure Switch 42-24194-82. This crucial safety component monitors the airflow from the draft inducer motor, ensuring that harmful exhaust gases are properly vented outside before the furnace ignites. A faulty pressure switch can prevent your furnace from starting, cause short-cycling, or fail to detect a blocked vent, making this replacement essential for maintaining a safe and warm home environment.\u003c\/p\u003e\u003cp\u003eEngineered with a highly sensitive internal diaphragm and durable external housing, the 42-24194-82 pressure switch delivers accurate and reliable performance. Its precision-calibrated microswitch is designed to respond instantly to changes in air pressure, providing consistent communication with your HVAC system's main control board throughout the heating season.\u003c\/p\u003e\u003cstrong\u003eInstallation \/ Replacement Instructions:\u003c\/strong\u003e\u003col style=\"list-style:none;padding-left:0;margin-left:0;\"\u003e\n\u003cli\u003eTurn off the power to the furnace at the circuit breaker and shut off the gas supply.\u003c\/li\u003e\n\u003cli\u003eRemove the front access panel to locate the draft inducer motor and the existing pressure switch.\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect the vacuum tubing from the port on the old switch.\u003c\/li\u003e\n\u003cli\u003eUnplug the electrical wire connections, noting their positions for reassembly.\u003c\/li\u003e\n\u003cli\u003eUnscrew the mounting hardware to remove the faulty 42-24194-82 pressure switch.\u003c\/li\u003e\n\u003cli\u003eMount the new switch, reconnect the electrical wires and vacuum tubing, and replace the access panel before restoring power and gas to test the system.\u003c\/li\u003e\n\u003cli\u003eCompatible with select Rheem and Ruud furnace models, this OEM-quality pressure switch ensures proper draft detection and reliable heating performance.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cul style=\"list-style:none;padding-left:0;margin-left:0;\"\u003e\n\u003cli\u003eHVAC Pressure Switch - Part number 42-24194-82\u003c\/li\u003e\n\u003cli\u003eCritical Safety Device - Verifies proper exhaust venting before ignition\u003c\/li\u003e\n\u003cli\u003eRestores Furnace Operation - Resolves ignition failures and short-cycling issues\u003c\/li\u003e\n\u003cli\u003ePrecision Diaphragm - Accurately detects subtle changes in draft pressure\u003c\/li\u003e\n\u003cli\u003eCompatible with Select HVAC Models - Designed for a secure electrical and physical fit\u003c\/li\u003e\n\u003cli\u003eOEM-Quality Part - Built to withstand the rigorous demands of seasonal heating\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rheem","offers":[{"title":"_BDM_DEFAULT_OPTION_VALUE_","offer_id":44268217106640,"sku":"42-24194-82","price":52.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/4258\/1712\/files\/imageDisplay_a9fd4e84-74c9-402b-8c90-c3bb1498a7e3.jpg?v=1729624941","url":"https:\/\/applianceparts.com\/products\/42-24194-82-hvac-pressure-switch","provider":"appliancepartstore","version":"1.0","type":"link"}