{"product_id":"aib2c-bi-flow-filter-drier-for-heat-pump-3-8-sweat-sfk-083s-bidirectional-680-psig","title":"AIB2C Bi‑Flow Filter Drier for Heat Pump 3\/8\" Sweat SFK-083S — Bidirectional, 680 psig","description":"\u003cp\u003e\u003cstrong\u003eThe AIB2C Bi Flow Filter Drier SFK-083S is a 3\/8\" sweat liquid-line filter drier engineered to protect heat pump and air conditioning systems from moisture and particulate contamination in either flow direction.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for retrofit and aftermarket use, this compact filter drier fits 3\/8\" liquid lines and is compatible with a wide range of refrigerants including R410A, R22, R134a and others. It combines desiccant and filtration media to trap moisture, acids and solids, helping maintain system performance under pressures up to 680 psig (4.70 MPa). The SFK-083S is bidirectional, allowing easy installation in heat pump, refrigeration and air conditioning service jobs where flow direction may change seasonally.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the SFK-083S protect a heat pump or AC system?\u003c\/h3\u003e\n\u003cp\u003eThe device removes moisture and captures particulates that can corrode components or clog expansion valves and capillary tubes. Its desiccant media reduces the risk of ice formation and acid generation, while the internal filter screens out solid contaminants. Protection helps sustain efficient cooling and reduces the likelihood of service calls related to contamination.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesiccant core absorbs water and reduces acid formation.\u003c\/li\u003e\n  \u003cli\u003eFiltration media captures metal shavings and debris.\u003c\/li\u003e\n  \u003cli\u003eRated for up to 680 psig (4.70 MPa) operating pressure.\u003c\/li\u003e\n  \u003cli\u003eCompatible with common refrigerants for broad application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install the 3\/8\" sweat filter drier myself?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires soldering (sweat connections) to a 3\/8\" liquid line and basic HVAC service skills. Technicians typically evacuate and recover refrigerant, cut and prepare tubing, sweat the filter drier into place, then pressure-test and vacuum the system before recharging. If you’re not comfortable with refrigerant handling or brazing, have a certified HVAC technician perform the job.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSweat connection suited for 3\/8\" copper tubing.\u003c\/li\u003e\n  \u003cli\u003eRequires refrigerant recovery and vacuum equipment for safe work.\u003c\/li\u003e\n  \u003cli\u003eBidirectional design simplifies orientation during installation.\u003c\/li\u003e\n  \u003cli\u003eFollow refrigerant-specific guidelines when recharging systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich refrigerants and systems work with this filter drier?\u003c\/h3\u003e\n\u003cp\u003eThe SFK-083S is formulated for broad compatibility across many common refrigerants used in residential and light-commercial HVAC and refrigeration. It is suitable for heat pumps and air conditioners that use single-component and certain blend refrigerants. Always confirm compatibility with your equipment manufacturer when working with legacy or specialized refrigerants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with R410A, R22, R134a, R404A, R407, R502, R507 and R12.\u003c\/li\u003e\n  \u003cli\u003eSuited for heat pumps, packaged AC, and refrigeration lines.\u003c\/li\u003e\n  \u003cli\u003eUseful as an aftermarket replacement or during system retrofits.\u003c\/li\u003e\n  \u003cli\u003eWorks under both cooling and reversing heat-pump flow conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key performance and safety specifications?\u003c\/h3\u003e\n\u003cp\u003eThe drier is engineered for durability and safe operation within standard HVAC pressure ranges. It delivers contamination control without obstructing liquid flow when sized correctly for the application. Observing pressure ratings, proper brazing techniques and leak testing ensures reliable, long-term performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximum working pressure: 680 psig (4.70 MPa).\u003c\/li\u003e\n  \u003cli\u003e3\/8\" sweat (solder) inlet\/outlet for copper liquid lines.\u003c\/li\u003e\n  \u003cli\u003eBi directional flow capability for heat pump systems.\u003c\/li\u003e\n  \u003cli\u003eAftermarket, economical protection for various HVAC applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: HVAC technicians, service contractors and knowledgeable DIYers who need an affordable, versatile filter drier for 3\/8\" liquid lines in heat pumps, air conditioners or refrigeration equipment. It’s ideal when upgrading or repairing systems that use the supported refrigerants and when a bidirectional, sweat-fit solution is preferred. Always follow local codes and refrigerant-handling regulations when installing or replacing filter driers.\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: Is the SFK-083S reversible for heat pump flow?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The SFK-083S is bidirectional so it works in either flow direction common to heat pumps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum working pressure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The maximum working pressure is 680 psig (4.70 MPa).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AIB2C","offers":[{"title":"Default Title","offer_id":48084495040670,"sku":"B0BJZ1G3BM","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aib2c-sfk-083s-front-view.jpg?v=1785857319","url":"https:\/\/northtrailauto.ca\/products\/aib2c-bi-flow-filter-drier-for-heat-pump-3-8-sweat-sfk-083s-bidirectional-680-psig","provider":"North Trail Auto","version":"1.0","type":"link"}