{"product_id":"antunes-controls-33n-33-air-differential-switch-smd-802115024","title":"Antunes Controls 33N-33 Air Differential Switch SMD 802115024","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e• Model: SMD-33N-33\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e• OEM Part Number: 802115024 • Type: Air Differential Pressure Switch • Electrical Switch: SPDT (Single Pole Double Throw) • Electrical Rating: 10 A resistive, 1\/2 HP motor load • Pressure Range: 0.17–12\" W.C. (Water Column) differential • Connection Type: 1\/4\" NPT or compression fittings (as configured) • Function: Snap-action switch for draft or airflow monitoring • Application: Furnaces, boilers, and combustion equipment • Mounting: Panel or bracket mount (typical for SMD series) • Operating Temperature Range: Typically –40°F to 185°F (–40°C to 85°C)\u003c\/p\u003e","brand":"Antunes","offers":[{"title":"Default Title","offer_id":43748525441133,"sku":"18686","price":157.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_5f23f1ea-d931-4570-bf37-e0c9e642ab65.jpg?v=1764982145","url":"https:\/\/willardshvacsupply.com\/products\/antunes-controls-33n-33-air-differential-switch-smd-802115024","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}