{"product_id":"hvac-system-pressure-sensor-ctsps4721258sp","title":"HVAC System Pressure Sensor","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis pressure sensor is a crucial component for any HVAC system, helping techs monitor system health and prevent costly breakdowns. Keeping an eye on those high and low side pressures is critical, especially when you're troubleshooting an R410A system on a scorching Australian summer day.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIt’s built as an OEM-equivalent replacement, offering reliable performance for maintaining optimal system operation and safeguarding your equipment from pressure fluctuations.\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\u003eHVAC service and maintenance teams\u003c\/li\u003e\n\u003cli\u003eRefrigeration apprentices learning system diagnostics\u003c\/li\u003e\n\u003cli\u003eInstallers needing reliable OEM-equivalent replacements\u003c\/li\u003e\n\u003cli\u003eCompetent DIY owners maintaining their own residential split systems\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 sensor is designed for broad compatibility with many common residential and light commercial HVAC systems using refrigerants like R410A, R32, R134a, R404A, and R22 (legacy systems). It typically connects via standard 1\/4\" SAE flare fittings or a compatible threaded port. If 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\u003eDurable Construction:\u003c\/strong\u003e Built to withstand typical HVAC operating conditions, from rooftop heat to plant room environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Pressure Monitoring:\u003c\/strong\u003e Provides precise readings for system diagnostics and safe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Electrical Connection:\u003c\/strong\u003e Features a common 3-pin or 4-pin connector for straightforward integration into existing control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Suitable for both high and low-pressure sides, handling common refrigerant pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistant:\u003c\/strong\u003e Materials selected to resist common atmospheric corrosion in diverse Australian climates.\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;\"\u003eValue (Typical)\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;\"\u003ePressure Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e-100 kPa to 4500 kPa (-14.5 PSI to 650 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e-20°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eElectrical Connection\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e3-pin or 4-pin quick connect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eProcess Connection\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e1\/4\" SAE male flare or NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eBrass \/ Stainless Steel housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±1% FS (Full Scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eRefrigerant Compatibility\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eR410A, R32, R134a, R404A, R22\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 HVAC System Pressure Sensor (SKU: CTSPS4721258SP)\u003c\/li\u003e\n\u003cli\u003eBasic installation guide with wiring diagram\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\u003eIsolate Power:\u003c\/strong\u003e Always ensure the system is de-energised and locked out before beginning any work on electrical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecover Refrigerant:\u003c\/strong\u003e If replacing a sensor on the refrigerant circuit, recover all refrigerant to an approved recovery cylinder using an ARCtick-licenced recovery unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepressurise System:\u003c\/strong\u003e Verify the system is at atmospheric pressure before opening any refrigerant lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Old Sensor:\u003c\/strong\u003e Carefully unscrew or unclip the old sensor, noting its orientation and wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall New Sensor:\u003c\/strong\u003e Apply a small amount of refrigerant oil to O-rings (if present) or suitable thread sealant. Thread in the new sensor by hand, then tighten with a wrench to manufacturer's specifications. Connect the electrical plug securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvacuate \u0026amp; Charge:\u003c\/strong\u003e Evacuate the relevant section of the system to at least 500 microns, then recharge with virgin refrigerant by weight. Check for leaks before re-energising.\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\u003eRefrigerant handling requires a current ARCtick licence.\u003c\/li\u003e\n\u003cli\u003eOnly use this sensor with compatible refrigerants and within its specified pressure and temperature ranges.\u003c\/li\u003e\n\u003cli\u003eAlways follow Australian electrical safety standards and Safe Work practices when installing or replacing.\u003c\/li\u003e\n\u003cli\u003eEnsure electrical connections are dry and secure to prevent short circuits or corrosion.\u003c\/li\u003e\n\u003cli\u003eThis sensor is designed for monitoring; it is not a safety relief device.\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;\"\u003eBefore you install a new pressure sensor, make sure the threads on the port are clean and undamaged. A bit of fresh thread sealant or a new O-ring (if supplied) can save you a call-back for a slow leak. Double-check your wiring colours before plugging in.\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 with refrigerant manifold gauges, a quality vacuum pump, and a reliable leak detector for complete system service. Don't forget your recovery unit and appropriate PPE from the HVAC Shop safety gear range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bonaire","offers":[{"title":"Default Title","offer_id":43569062543419,"sku":"CTSPS4721258SP","price":719.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/s-l1600_c9aa3504-fc22-4893-8351-28cab48b4f4e.webp?v=1780544874","url":"https:\/\/www.hvacshop.com.au\/products\/hvac-system-pressure-sensor-ctsps4721258sp","provider":"HVAC Supply Shop","version":"1.0","type":"link"}