{"product_id":"trane-swt3774-pressure-switch","title":"Trane SWT3774 Pressure Switch","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eTrane SWT3774 0.05\" WC SPST Pressure Switch\u003c\/strong\u003e is an OEM HVAC control component designed for pressure sensing in compatible Trane heating and cooling equipment. This switch operates at \u003cstrong\u003e0.05 inch water column (WC)\u003c\/strong\u003e and uses a \u003cstrong\u003esingle-pole, single-throw (SPST)\u003c\/strong\u003e contact configuration. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn HVAC applications, the pressure switch monitors airflow or draft conditions and changes the electrical control circuit when the specified pressure condition is reached. This allows the equipment controls to verify proper airflow or draft as part of the system operating sequence. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhen replacing a \u003cstrong\u003eTrane pressure switch\u003c\/strong\u003e, verify the original part number, pressure setting, electrical contact configuration, pressure connections, and equipment model. Do not substitute a switch based only on physical appearance, since the pressure setting and switching characteristics must match the equipment requirements.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Trane HVAC replacement component\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e0.05\" WC pressure setting\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSPST contact configuration\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for airflow and draft pressure sensing\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible Trane HVAC equipment\u003c\/li\u003e\n\u003cli\u003eDirect replacement configuration for specified Trane applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the Trane SWT3774 pressure switch do?\u003c\/strong\u003e\u003cbr\u003eIt monitors air pressure or draft conditions and switches the control circuit when the required pressure condition is reached.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does 0.05\" WC mean?\u003c\/strong\u003e\u003cbr\u003eWC stands for \u003cstrong\u003einches of water column\u003c\/strong\u003e, a measurement commonly used for low air and differential pressures in HVAC systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace another Trane pressure switch with the SWT3774?\u003c\/strong\u003e\u003cbr\u003eOnly when the SWT3774 is specified for the equipment or confirmed as the correct replacement. Always verify the equipment model, pressure rating, electrical configuration, and connections before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSWT3774 is the cross for SWT3776 \u003c\/span\u003e\u003c\/p\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":42509317832882,"sku":"SWT3774","price":36.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_ebb70a1c-bea8-4a54-8809-fb9c6d94585a.png?v=1787625792","url":"https:\/\/www.gsistore.com\/products\/trane-swt3774-pressure-switch","provider":"GSIstore","version":"1.0","type":"link"}