{"product_id":"testo-pressure-connection-hose-4-6mm-x-50cm-0554-0449","title":"Testo Pressure Connection Hose, 4\/6mm x 50cm","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis Testo single pressure connection hose (0554 0449) is purpose-built for accurate gas pressure measurements on heating systems. At 50cm long with a 4\/6mm diameter, it's just the right length for those tight spots in boiler rooms or plant rooms, making your job easier when you're checking gas lines.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIt comes ready with a connection adapter, meaning less fumbling around with extra bits when you're on site. A solid piece of kit for any tech doing gas system diagnostics.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eBest For\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eGas plumbers and technicians\u003c\/li\u003e\n\u003cli\u003eHeating system installers and service teams\u003c\/li\u003e\n\u003cli\u003eHVAC technicians performing boiler or furnace maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis pressure connection hose is designed for gas pressure measurement applications, specifically on heating systems. It's compatible with Testo differential pressure measuring instruments, such as the Testo 312-4 mentioned in the related product information. Its 4\/6mm diameter is standard for many residential and light commercial heating setups.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIf you're running a different model, check fittings and specs before ordering.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal Length:\u003c\/strong\u003e 50 cm length provides flexibility without excessive slack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Diameter:\u003c\/strong\u003e 4\/6 mm hose diameter for common heating system connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Use:\u003c\/strong\u003e Specifically designed for precise gas pressure measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Adapter:\u003c\/strong\u003e Includes a connection adapter for direct setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 16px; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0554 0449\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eHose Diameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e4\/6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eHose Length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e50 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eGas pressure measurement on heating systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eIncludes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eConnection adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003e1 x Testo single pressure connection hose, 4\/6 mm diameter, 50 cm long, with connection adapter (SKU: 0554 0449)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eUsing It on the Job\u003c\/h2\u003e\n\u003col style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Before connecting, ensure the heating system's gas supply is isolated and the area is well-ventilated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect to Instrument:\u003c\/strong\u003e Securely attach one end of the hose to your Testo differential pressure measuring instrument's port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttach to System:\u003c\/strong\u003e Connect the other end of the hose, with its adapter, to the gas test point on the heating system. Ensure connections are tight to prevent leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerform Test:\u003c\/strong\u003e Conduct your required gas pressure checks according to manufacturer and local regulations, observing stable readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect \u0026amp; Store:\u003c\/strong\u003e Carefully depressurise if necessary, then disconnect the hose, ensuring no gas leaks. Clean the hose and store it properly to prevent damage.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eLimitations \u0026amp; Safety Notes\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eThis hose is strictly for gas pressure measurement; it is not rated for high-pressure refrigerant or liquid lines.\u003c\/li\u003e\n\u003cli\u003eAlways ensure all connections are properly sealed and leak-tested before applying pressure.\u003c\/li\u003e\n\u003cli\u003eRefer to relevant Australian Standards and Safe Work guidance for gas fitting and pressure testing.\u003c\/li\u003e\n\u003cli\u003eRegularly inspect the hose for any signs of wear, cracks, or damage, and replace if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTradie Pro Tip\u003c\/h2\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003eWhen testing gas lines, always do a quick visual check of your hose and fittings for any nicks or wear before you start. Even a tiny pinhole leak on the hose can throw off your readings and make you chase ghosts on a call-out. Better to replace it early than get a false positive.\u003c\/blockquote\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003ePair With\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePair this hose with Testo differential pressure gauges, flue gas analysers, and other heating system diagnostic tools to complete your kit for comprehensive system checks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What systems and instruments is this hose compatible with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This Testo hose (0554 0449) is specifically designed for gas pressure measurement on heating systems. It's compatible with Testo differential pressure measuring instruments, such as the Testo 312-4, and fits common 4\/6mm connections on gas lines.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are the dimensions of this hose?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The hose has a diameter of 4\/6 mm and a length of 50 cm. This length provides flexibility for connecting to test points in confined spaces typical of heating system installations.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this hose be used for refrigerant pressure testing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No, this hose (0554 0449) is strictly intended for gas pressure measurement on heating systems. It is not rated for the higher pressures or specific refrigerants used in air conditioning or refrigeration systems.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43754975952955,"sku":"0554 0449","price":80.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/0554-0449-accessory-others-005286.jpg?v=1783407325","url":"https:\/\/www.hvacshop.com.au\/products\/testo-pressure-connection-hose-4-6mm-x-50cm-0554-0449","provider":"HVAC Supply Shop","version":"1.0","type":"link"}