{"product_id":"astro-pneumatic-tool-7856-universal-air-powered-cooling-system-pressure-tester","title":"Astro Pneumatic Tool 7856 Universal Air Powered Cooling System Pressure Tester","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Astro 7856 is a universal, air-powered cooling system pressure tester designed to help technicians locate leaks, verify radiator caps, and speed coolant drainage. By regulating shop air, it creates a controlled testing environment that reduces guesswork and downtime, making routine maintenance more efficient.\u003c\/p\u003e\u003cp\u003eBuilt with versatility in mind, this tool employs a universal quick connector that fits most brands’ testing caps and adapters. The integrated gauge displays common pressure levels for various cooling systems, while the regulator is capped at 30 psi to help protect components during testing.\u003c\/p\u003e\u003ch3\u003eKey capabilities\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePressure regulation: regulates shop air to test any cooling system or radiator cap for leaks\u003c\/li\u003e\n\u003cli\u003eUniversal compatibility: quick connector works with nearly all brands of testing caps and adapters\u003c\/li\u003e\n\u003cli\u003eLeak tracing: maintains constant pressure on leaks to help trace their source\u003c\/li\u003e\n\u003cli\u003eSafe operation: gauge shows typical pressures and the regulator maxes at 30 psi to prevent damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePractical benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRapidly fills large cooling systems, reducing service time\u003c\/li\u003e\n\u003cli\u003eConsistent pressure helps identify leak points without repeated re-testing\u003c\/li\u003e\n\u003cli\u003eSimple setup with standard shop air lines and adapters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow it works\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eAttach the universal quick connector to a compatible testing cap or adapter.\u003c\/li\u003e\n\u003cli\u003eConnect to a shop air source and set the regulator to the desired pressure, up to 30 psi.\u003c\/li\u003e\n\u003cli\u003eObserve the gauge, maintain steady pressure, and look for escaping air or fluid to locate leaks.\u003c\/li\u003e\n\u003cli\u003eUse the tool to speed coolant draining when appropriate, while keeping the system under controlled pressure.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eIn a busy shop, the Astro 7856 provides a practical balance of control and speed. It supports a variety of cooling system configurations and caps, giving technicians a reliable way to verify integrity and streamline routine maintenance without disassembly.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Astro Pneumatic Tool 7856 used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A universal air-powered tester to locate cooling system leaks, test radiator caps, and speed coolant draining by regulating shop air.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum pressure of the 7856?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The built-in regulator maxes at 30 psi to help prevent over-pressurizing during testing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AP Astro Pneumatic Tool Company","offers":[{"title":"Default Title","offer_id":42470984187989,"sku":"B01JBJTA9W","price":57.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/astro-pneumatic-7856-universal-cooling-system-pressure-tester-gauge.jpg?v=1778159097","url":"https:\/\/plentytorque.co.uk\/products\/astro-pneumatic-tool-7856-universal-air-powered-cooling-system-pressure-tester","provider":"PlentyTorque","version":"1.0","type":"link"}