{"title":"Pipe, Fittings \u0026 Supports","description":"\u003cp\u003eSchedule 40 PVC pipe, fittings, hangers, straps, and the supports that hold your radon mitigation system together.\u003c\/p\u003e","products":[{"product_id":"spruce-flexible-coupling-4-4-white","title":"Spruce Flexible Coupling – 4\" × 4\" (White)","description":"\u003ch2\u003eSpruce Flexible Coupling – 4\" × 4\" White\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible PVC coupling for connecting 4\" to 4\" Schedule 40 PVC pipe in radon mitigation systems.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Spruce 4\" × 4\" white flexible coupling provides a \u003cstrong\u003esecure, airtight connection\u003c\/strong\u003e between two sections of 4\" Schedule 40 PVC pipe. Built with high-performance flexible PVC and a \u003cstrong\u003estainless steel clamp\u003c\/strong\u003e, this coupling absorbs vibration, accommodates minor misalignment, and creates a reliable seal — making it a go-to component for professional radon mitigators and DIY installers alike.\u003c\/p\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eUsed to join 4\" PVC pipe sections in sub-slab depressurization systems, crawl space ventilation, and soil-gas exhaust piping. Commonly installed between the radon fan and vent stack, or wherever a flexible joint is needed to reduce vibration transfer and simplify pipe alignment.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-performance \u003cstrong\u003eflexible PVC\u003c\/strong\u003e construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel clamp\u003c\/strong\u003e included for a secure, airtight seal\u003c\/li\u003e\n\u003cli\u003eWhite finish blends with Schedule 40 PVC pipe\u003c\/li\u003e\n\u003cli\u003eAbsorbs vibration from inline radon fans\u003c\/li\u003e\n\u003cli\u003eAccommodates minor pipe misalignment\u003c\/li\u003e\n\u003cli\u003e4\" to 4\" connection — fits standard Schedule 40 PVC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RadonAway","offers":[{"title":"Default Title","offer_id":48392153727231,"sku":"RA-79040","price":19.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/79040_1.jpg?v=1776099048"},{"product_id":"spruce-flexible-coupling-4-3-white","title":"Spruce Flexible Coupling – 4\" × 3\" (White)","description":"\u003ch2\u003eSpruce Flexible Coupling – 4\" × 3\" White\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible PVC reducer coupling for connecting 4\" to 3\" Schedule 40 PVC pipe in radon mitigation systems.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Spruce 4\" × 3\" white flexible coupling provides a \u003cstrong\u003esecure, airtight transition\u003c\/strong\u003e between 4\" and 3\" Schedule 40 PVC pipe. Built with high-performance flexible PVC and a \u003cstrong\u003estainless steel clamp\u003c\/strong\u003e, this reducer coupling absorbs vibration, accommodates minor misalignment, and creates a reliable seal at pipe-size transitions — essential for professional radon mitigation installations.\u003c\/p\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eUsed wherever a radon mitigation system transitions between 3\" and 4\" PVC pipe — typically at the radon fan inlet or outlet, or when connecting to existing 3\" vent piping. Ideal for sub-slab depressurization, crawl space ventilation, and soil-gas exhaust systems.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-performance \u003cstrong\u003eflexible PVC\u003c\/strong\u003e construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel clamp\u003c\/strong\u003e included for a secure, airtight seal\u003c\/li\u003e\n\u003cli\u003eWhite finish blends with Schedule 40 PVC pipe\u003c\/li\u003e\n\u003cli\u003eAbsorbs vibration from inline radon fans\u003c\/li\u003e\n\u003cli\u003eAccommodates minor pipe misalignment\u003c\/li\u003e\n\u003cli\u003e4\" to 3\" reducer — transitions between standard Schedule 40 PVC sizes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RadonAway","offers":[{"title":"Default Title","offer_id":48392153825535,"sku":"RA-79038","price":20.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/79038_fernco_coupling.png?v=1776099048"},{"product_id":"gsr-galvanized-radon-suction-cage-hot-dipped-nbc-compliant","title":"GSR Hot-Dipped Galvanized Radon Suction Cage — NBC Compliant","description":"\u003cp\u003eCommercial-grade galvanized radon suction cage for sub-slab depressurization systems. Built in Calgary by \u003cstrong\u003eGlobal Seismic Repairs (GSR)\u003c\/strong\u003e and manufactured to \u003cstrong\u003eNational Building Code, Alberta Edition (NBC-AE) 2019\/2023\u003c\/strong\u003e and \u003cstrong\u003eEPA\/625\/R-92\/016\u003c\/strong\u003e standards.\u003c\/p\u003e\u003ch3\u003eChoosing your size\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall\u003c\/strong\u003e — 300 × 300 × 100 mm effective area (overall 381 × 381 × 152 mm). Single suction pit, residential. Fits 4\" (100 mm) PVC pipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium\u003c\/strong\u003e — 457 × 457 × 216 mm effective area (overall 533 × 533 × 292 mm). Larger residential or light commercial. Fits 4\" or 6\" (100\/150 mm) PVC pipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge\u003c\/strong\u003e — 914 × 939 × 355 mm overall. Commercial-grade for building footprints up to \u003cstrong\u003e9,290 m² (100,000 sq ft)\u003c\/strong\u003e where multiple suction pits are designed. Fits 4\" or 6\" PVC pipe.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConstruction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot-dipped galvanized after assembly\u003c\/strong\u003e — full corrosion protection on every weld, joint, and edge\u003c\/li\u003e\n\u003cli\u003e#13 (½\") flattened expanded metal mesh on sides\u003c\/li\u003e\n\u003cli\u003eTop plate: 12-gauge steel (Small\/Medium) or 18-gauge 636-clad corrugated decking (Large)\u003c\/li\u003e\n\u003cli\u003eWelded 2\" × 2\" × .125\" steel angle-iron main frame (Large)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo bottom panel\u003c\/strong\u003e — sits directly on deck, gravel, or grade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNational Building Code, Alberta Edition (NBC-AE) 2019\/2023\u003c\/li\u003e\n\u003cli\u003eEPA\/625\/R-92\/016\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLead times\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall:\u003c\/strong\u003e Built to order — 3 to 4 weeks from order date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium:\u003c\/strong\u003e Typically in stock (ships next business day); 2 to 3 weeks if inventory has been depleted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge:\u003c\/strong\u003e In stock — ships next business day\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping\u003c\/h3\u003e\u003cp\u003eShipping is calculated at checkout based on destination. For multi-cage, commercial-quantity, or remote-Northern deliveries, contact us for a custom freight quote.\u003c\/p\u003e\u003ch3\u003eCustom sizing\u003c\/h3\u003e\u003cp\u003eNeed a size between Small\/Medium\/Large, a non-standard pipe configuration, or a high-volume project? \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e — GSR fabricates to spec.\u003c\/p\u003e","brand":"GSR","offers":[{"title":"Small","offer_id":48532190462207,"sku":"GSR-CAGE-S","price":413.0,"currency_code":"CAD","in_stock":true},{"title":"Medium","offer_id":48532190494975,"sku":"GSR-CAGE-M","price":595.0,"currency_code":"CAD","in_stock":true},{"title":"Large","offer_id":48532190527743,"sku":"GSR-CAGE-L","price":1533.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/commercial_suction_cage_store.jpg?v=1778903356"},{"product_id":"4-split-ring-pipe-hanger-galvanized","title":"4\" Split Ring Pipe Hanger — Galvanized","description":"\u003cp\u003eGalvanized split-ring hanger for 4\" Schedule 40 PVC radon vent pipe. Sized to fit standard 4\" Sch 40 (~4.5\" OD). Threaded boss accepts ½\" threaded rod for ceiling, joist, or wall-plate mounting.\u003c\/p\u003e\u003ch3\u003eWhat it's for\u003c\/h3\u003e\u003cp\u003eHangs vertical or horizontal runs of radon vent pipe between the fan and roof exit. Required by CGSB 149.12 for proper bracing of active soil depressurization systems — the fan generates vibration that needs to be supported and damped along the pipe run.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe size:\u003c\/strong\u003e 4\" Sch 40 PVC \/ ABS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Hot-dipped galvanized cast iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded boss:\u003c\/strong\u003e ½\"-13 UNC, accepts ½\" threaded rod\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Galvanized for corrosion resistance in attic, crawlspace, and basement environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNeed the complete kit?\u003c\/h3\u003e\u003cp\u003eFor a turnkey hanger assembly with ½\" threaded rod and a wall\/joist mounting plate included, see the \u003ca href=\"\/products\/split-ring-pipe-hanger-installation-kit\"\u003eSplit Ring Pipe Hanger Installation Kit\u003c\/a\u003e.\u003c\/p\u003e","brand":"RadonDepot","offers":[{"title":"Default Title","offer_id":48554626777343,"sku":"RD-HANGER-4","price":14.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/split-ring-hanger-bare.jpg?v=1779322736"},{"product_id":"split-ring-pipe-hanger-installation-kit","title":"4\" Split Ring Pipe Hanger Installation Kit — with Rod \u0026 Wall Plate","description":"\u003cp\u003eComplete hanger assembly for 4\" Schedule 40 PVC radon vent pipe. Includes the galvanized split-ring hanger, a ½\" threaded rod, two nuts, and a wall\/joist mounting plate — everything you need to suspend a section of vent pipe from a stud, joist, or wall.\u003c\/p\u003e\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 × Galvanized split-ring hanger (fits 4\" Sch 40 PVC)\u003c\/li\u003e\n\u003cli\u003e1 × ½\" threaded rod (length per variant: 12\" or 20\")\u003c\/li\u003e\n\u003cli\u003e1 × Galvanized wall\/joist mounting plate with mounting holes\u003c\/li\u003e\n\u003cli\u003e2 × ½\"-13 UNC hex nuts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing your rod length\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12\":\u003c\/strong\u003e Tight stud-bay or low-clearance applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20\":\u003c\/strong\u003e Standard joist-bay hang — the most common residential install\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a longer drop? The rod is ½\"-13 UNC standard — the included rod can be cut down to your exact length on-site with a hacksaw or angle grinder.\u003c\/p\u003e\u003ch3\u003eWhy this kit vs. plumber's tape\u003c\/h3\u003e\u003cp\u003ePlumber's strap doesn't support the vibration of an active radon fan over a 20+ year service life. A rigid split-ring hanger on threaded rod keeps the vent pipe braced, plumb, and silent. Required for code-compliant installations per CGSB 149.12.\u003c\/p\u003e\u003ch3\u003eMaterial\u003c\/h3\u003e\u003cp\u003eAll components galvanized for corrosion resistance in attic, crawlspace, and basement environments.\u003c\/p\u003e","brand":"RadonDepot","offers":[{"title":"12 inch","offer_id":48554627924223,"sku":"RD-HANGER-KIT-4-12","price":23.0,"currency_code":"CAD","in_stock":true},{"title":"20 inch","offer_id":48554627956991,"sku":"RD-HANGER-KIT-4-20","price":24.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/split-ring-hanger-kit-assembled.webp?v=1780174391"},{"product_id":"oatey-33927-plastic-pipe-strap-100ft-roll","title":"Oatey 33927 Plastic Pipe Strap — 3\/4\" × 100 ft Roll","description":"\u003ch3\u003eThe polyethylene hanger strap that doesn't transmit fan vibration to the house\u003c\/h3\u003e\u003cp\u003eSteel plumber's tape passes radon-fan vibration straight into the framing it's nailed to — you can feel it on a quiet night and hear it through finished ceilings months later. Oatey 33927 plastic strap solves that. Flexible polyethylene damps the vibration before it reaches your joists, dramatically reducing structural noise transmission.\u003c\/p\u003e\u003ch3\u003eWhy mitigators prefer it over steel tape\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration isolation\u003c\/strong\u003e — polyethylene damps the harmonic the fan generates; steel tape doesn't\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-corrosive, non-conductive\u003c\/strong\u003e — ideal for damp basements, attics, crawlspaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster install\u003c\/strong\u003e — cuts with utility scissors, no tin-snip strikes through your hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 ft continuous roll\u003c\/strong\u003e — enough for several full residential installs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use it\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eCut a length long enough to wrap the pipe with overlap at the fastener point\u003c\/li\u003e\n\u003cli\u003eWrap and overlap the strap around the pipe; nail through the pre-punched holes into joist or rafter\u003c\/li\u003e\n\u003cli\u003eUse one strap every 4–6 ft on vertical runs, every 3–4 ft on horizontal runs\u003c\/li\u003e\n\u003cli\u003eCombine with a \u003ca href=\"\/products\/split-ring-pipe-hanger-installation-kit\"\u003eSplit Ring Hanger Kit\u003c\/a\u003e at the primary fan-side support point for full system bracing\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Oatey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 33927\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrap width:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll length:\u003c\/strong\u003e 100 ft (boxed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyethylene\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White \/ light grey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNail-hole spacing:\u003c\/strong\u003e 1\" apart, 1\/8\" diameter (alternating 1\/4\" and 1\/8\" holes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe compatibility:\u003c\/strong\u003e Wraps around any pipe size — 3\", 4\", 6\", larger\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: for code-compliant installations under CGSB 149.12, plastic strap supplements but does not replace rigid hangers at primary support points. Use a split-ring hanger at fan-side support; use plastic strap throughout the run.\u003c\/p\u003e","brand":"Oatey","offers":[{"title":"Default Title","offer_id":48554632380671,"sku":"OATEY-33927","price":34.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/81NFlMR332L._AC_SX679.jpg?v=1780174822"},{"product_id":"spruce-flexible-coupling-6-4-white","title":"Spruce Flexible Coupling – 6\" × 4\" (White)","description":"\u003ch2\u003eSpruce Flexible Coupling – 6\" × 4\" White\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible PVC reducing coupling for connecting a 6\" radon fan to 4\" Schedule 40 PVC pipe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Spruce 6\" × 4\" white flexible coupling provides a \u003cstrong\u003esecure, airtight reducing connection\u003c\/strong\u003e between a 6\"-inlet radon fan and a 4\" Schedule 40 PVC vent stack. Built with high-performance flexible PVC and \u003cstrong\u003estainless steel clamps\u003c\/strong\u003e, it absorbs fan vibration, accommodates minor misalignment, and creates a reliable seal — making it the standard transition fitting for professional radon mitigators stepping a high-capacity fan down to a 4\" riser.\u003c\/p\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eUsed to join a 6\" radon fan outlet or inlet to 4\" PVC pipe in sub-slab depressurization systems. Commonly installed at the fan-to-stack transition for higher-capacity fans — such as the RadonAway RP265, GP501, and XP\/XR series — that use a 6\" collar feeding a 4\" vent run. The flexible body decouples fan vibration from the pipe and simplifies alignment between the fan and stack.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-performance \u003cstrong\u003eflexible PVC\u003c\/strong\u003e construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel clamps\u003c\/strong\u003e included for a secure, airtight seal\u003c\/li\u003e\n\u003cli\u003eReduces 6\" to 4\" — the standard high-capacity fan-to-stack transition\u003c\/li\u003e\n\u003cli\u003eWhite finish blends with Schedule 40 PVC pipe\u003c\/li\u003e\n\u003cli\u003eAbsorbs vibration from inline radon fans\u003c\/li\u003e\n\u003cli\u003eAccommodates minor pipe misalignment\u003c\/li\u003e\n\u003cli\u003eUV resistant; conforms to ASTM C1173 and CSA B602\u003c\/li\u003e\n\u003cli\u003eOperating temperature range 30°F to 140°F (-1°C to 60°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlexible reducing coupling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlexible PVC with stainless steel clamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePipe compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\" fan collar to 4\" Schedule 40 PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM C1173, CSA B602\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30°F – 140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e79227\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a 6\" × 4\" flexible coupling used for in radon mitigation?\u003c\/strong\u003e\u003cbr\u003eIt connects a 6\"-inlet radon fan to a 4\" Schedule 40 PVC vent stack, creating an airtight, vibration-absorbing transition between the fan and the pipe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich radon fans use a 6\" × 4\" coupling?\u003c\/strong\u003e\u003cbr\u003eHigher-capacity RadonAway fans with a 6\" collar — including the RP265, GP501, and XP\/XR series — commonly step down to a 4\" riser using this coupling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with clamps?\u003c\/strong\u003e\u003cbr\u003eYes. Stainless steel clamps are included for a corrosion-resistant, airtight seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this outdoors?\u003c\/strong\u003e\u003cbr\u003eThe coupling is UV resistant; however, in Canada radon fans and their fittings are installed indoors (attic, basement, or garage). Outdoor fan installation is not permitted under Canadian guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit Schedule 40 PVC?\u003c\/strong\u003e\u003cbr\u003eYes. The 4\" end is sized for standard 4\" Schedule 40 PVC pipe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the coupling load-bearing?\u003c\/strong\u003e\u003cbr\u003eNo. The pipe should be independently supported; the flexible coupling is a sealing and vibration-isolation joint, not a structural support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat standards does it meet?\u003c\/strong\u003e\u003cbr\u003eIt conforms to ASTM C1173 and CSA B602.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy use a flexible coupling instead of a rigid reducer?\u003c\/strong\u003e\u003cbr\u003eA flexible coupling absorbs fan vibration, tolerates minor misalignment between the fan and stack, and can be loosened for service — advantages a glued rigid reducer does not offer.\u003c\/p\u003e","brand":"RadonAway","offers":[{"title":"Default Title","offer_id":48645147197695,"sku":"RA-79227","price":23.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/4x6in-sprucecoupling-a.jpg?v=1780943111"}],"url":"https:\/\/radondepot.ca\/collections\/pipe-fittings-supports.oembed","provider":"Radon Depot","version":"1.0","type":"link"}