{"product_id":"campbell-hausfeld-st128415av-unloader-with-muffler","title":"Campbell Hausfeld ST128415AV Unloader With Muffler","description":"\u003cdiv\u003e\u003cp\u003eCampbell Hausfeld ST128415AV Unloader With Muffler is a piloted unloader valve for Campbell Hausfeld air compressors, featuring a muffler‑equipped exhaust and inlet\/outlet connections of 1\/2 in flare to 1\/2 in MPT. It is rated for 105\/135 PSI, providing no‑load venting of pump air to ease startup and prevent motor stall. Often described as a throttle unloader, this valve integrates with the compressor control system to vent air from the pump when the unit stops. The ST128415AV designation identifies this specific unloader with muffler assembly designed for Campbell Hausfeld equipment requiring those connection sizes and performance specs.\u003c\/p\u003e\u003c\/div\u003e","brand":"CAMPBELL","offers":[{"title":"New","offer_id":51677632102702,"sku":null,"price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_775d9404-69e1-42b0-a098-d9e246808068.jpg?v=1769565692","url":"https:\/\/plgautomation.com\/products\/campbell-hausfeld-st128415av-unloader-with-muffler","provider":"PLG Automation ","version":"1.0","type":"link"}