{"product_id":"verplas-150mm-external-gravity-grille-multi-colour","title":"Verplas 150mm External Gravity Grille Multi-Colour","description":"\u003cdiv style=\"font-size: 16px; font-family: Arial,sans-serif; color: #222; max-width: 900px; margin: 0 auto; line-height: 1.6;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eVerplas VKC292\u003c\/strong\u003e is a \u003cstrong\u003e150mm external gravity wall grille\u003c\/strong\u003e with a gravity-operated shutter that opens under positive airflow pressure and closes when the fan stops — preventing back-draught, insect ingress, and weather penetration. Designed for \u003cstrong\u003eexternal wall mounting\u003c\/strong\u003e at the termination point of a 150mm duct run, it is available in multiple colours to suit different property exteriors. Overall grille dimensions are approximately \u003cstrong\u003e185 × 185 × 55 mm\u003c\/strong\u003e, providing a neat, low-profile external finish.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: space-around; background: #e6f4f3; border-radius: 6px; padding: 8px 4px; margin: 18px 0;\"\u003e\n\u003cdiv style=\"text-align: center; padding: 12px 8px;\"\u003e\n\u003cdiv style=\"font-size: 1.5em; font-weight: 800; color: #008377;\"\u003e150mm\u003c\/div\u003e\n\u003cdiv style=\"font-size: .82em; color: #444; margin-top: 2px;\"\u003eDuct Spigot\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 12px 8px;\"\u003e\n\u003cdiv style=\"font-size: 1.5em; font-weight: 800; color: #008377;\"\u003e185×185mm\u003c\/div\u003e\n\u003cdiv style=\"font-size: .82em; color: #444; margin-top: 2px;\"\u003eGrille Face Plate\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 12px 8px;\"\u003e\n\u003cdiv style=\"font-size: 1.5em; font-weight: 800; color: #008377;\"\u003eGravity\u003c\/div\u003e\n\u003cdiv style=\"font-size: .82em; color: #444; margin-top: 2px;\"\u003eSelf-Closing Shutter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 12px 8px;\"\u003e\n\u003cdiv style=\"font-size: 1.5em; font-weight: 800; color: #008377;\"\u003eMulti-Colour\u003c\/div\u003e\n\u003cdiv style=\"font-size: .82em; color: #444; margin-top: 2px;\"\u003eAvailable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 12px 8px;\"\u003e\n\u003cdiv style=\"font-size: 1.5em; font-weight: 800; color: #008377;\"\u003eExternal\u003c\/div\u003e\n\u003cdiv style=\"font-size: .82em; color: #444; margin-top: 2px;\"\u003eWall Mounting\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #e6f4f3; border-left: 4px solid #005c54; padding: 12px 16px; margin: 14px 0; border-radius: 0 4px 4px 0; font-size: .95em;\"\u003e\n\u003cstrong\u003eColour Options:\u003c\/strong\u003e The VKC292 is available in \u003cstrong\u003eWhite, Brown, Grey, and Black\u003c\/strong\u003e — select the variant to match your property's exterior brickwork or render for a discreet, integrated appearance.\u003c\/div\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #c77a00; padding: 12px 16px; margin: 14px 0; border-radius: 0 4px 4px 0; font-size: .95em;\"\u003e\n\u003cstrong\u003eExternal Fitting:\u003c\/strong\u003e The grille should be fitted to the \u003cstrong\u003eexterior face of an external wall\u003c\/strong\u003e, with the duct spigot passing through the wall to connect internally to the 150mm duct run. Ensure the grille face sits flush against the wall and seal around the perimeter with an appropriate external sealant to prevent weather ingress.\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 10px 16px; margin: 28px 0 16px; border-radius: 4px; font-size: 1.05em; font-weight: bold;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 14px; margin: 16px 0;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 16px 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; text-decoration: underline; margin-bottom: 8px;\"\u003eGravity Self-Closing Shutter\u003c\/div\u003e\n\u003cdiv style=\"font-size: .92em; color: #333;\"\u003eThe \u003cstrong\u003egravity-operated louvre blades\u003c\/strong\u003e open automatically when airflow is present and fall closed when the fan stops — preventing back-draught, insects, and rain ingress without a spring mechanism.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 16px 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; text-decoration: underline; margin-bottom: 8px;\"\u003e150mm Round Spigot\u003c\/div\u003e\n\u003cdiv style=\"font-size: .92em; color: #333;\"\u003eThe integrated \u003cstrong\u003e150mm round spigot\u003c\/strong\u003e connects directly to System 150 rigid duct, telescopic pipe, or flexible hose at the wall penetration point.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 16px 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; text-decoration: underline; margin-bottom: 8px;\"\u003eFour Colour Variants\u003c\/div\u003e\n\u003cdiv style=\"font-size: .92em; color: #333;\"\u003eAvailable in \u003cstrong\u003eWhite, Brown, Grey, and Black\u003c\/strong\u003e for a discreet match to the property exterior — specify the required colour variant at the time of ordering.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 16px 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; text-decoration: underline; margin-bottom: 8px;\"\u003e185 × 185 mm Face Plate\u003c\/div\u003e\n\u003cdiv style=\"font-size: .92em; color: #333;\"\u003eThe compact \u003cstrong\u003esquare face plate\u003c\/strong\u003e provides a neat external appearance with a generous free area for the duct diameter.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 16px 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; text-decoration: underline; margin-bottom: 8px;\"\u003eWeather \u0026amp; Pest Resistant\u003c\/div\u003e\n\u003cdiv style=\"font-size: .92em; color: #333;\"\u003eThe \u003cstrong\u003egravity shutter\u003c\/strong\u003e closes under its own weight when no airflow is present, preventing wind-driven rain, insects, and small birds from entering the duct system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 16px 18px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377; text-decoration: underline; margin-bottom: 8px;\"\u003eSystem 150 Compatible\u003c\/div\u003e\n\u003cdiv style=\"font-size: .92em; color: #333;\"\u003eDesigned to terminate \u003cstrong\u003eVerplas System 150 round duct runs\u003c\/strong\u003e at the external wall, compatible with all 150mm VKC-series duct fittings.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 10px 16px; margin: 28px 0 16px; border-radius: 4px; font-size: 1.05em; font-weight: bold;\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: .92em; margin: 16px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eVerplas SKU\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003eVKC292\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eDuct Spigot Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003e150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eFace Plate Dimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003e185 × 185 × 55 mm (H × W × D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eShutter Type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003eGravity-operated — self-closing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eColour Options\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003eBeige-RAL1001, Brown-RAL8017, Terracotta-RAL2001, White-RAL9003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003eExternal wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003eWhite or coloured plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 9px 12px; font-weight: 600; color: #333; width: 45%; border-bottom: 1px solid #ddd;\"\u003eSystem\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; color: #555; border-bottom: 1px solid #ddd;\"\u003eVerplas System 150 — 150mm Round Ducting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 10px 16px; margin: 28px 0 16px; border-radius: 4px; font-size: 1.05em; font-weight: bold;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"margin-bottom: 8px; border: 1px solid #c8e6e3; border-radius: 4px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 11px 14px; cursor: pointer; font-weight: 600; font-size: .95em; list-style: none;\"\u003eDoes the gravity shutter work in all airflow rates?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px; font-size: .92em; color: #333; background: #fff;\"\u003eThe gravity shutter opens progressively with airflow pressure. At \u003cstrong\u003every low flow rates\u003c\/strong\u003e, the shutter may only partially open. For systems with minimal static pressure, consider the cowl-style VKC280 which has a lighter non-return flap.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 8px; border: 1px solid #c8e6e3; border-radius: 4px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 11px 14px; cursor: pointer; font-weight: 600; font-size: .95em; list-style: none;\"\u003eWhat sealant should I use around the external grille?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px; font-size: .92em; color: #333; background: #fff;\"\u003eUse a \u003cstrong\u003egrey or colour-matched exterior silicone sealant\u003c\/strong\u003e around the perimeter of the face plate to prevent water ingress between the grille and the wall face.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 8px; border: 1px solid #c8e6e3; border-radius: 4px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 11px 14px; cursor: pointer; font-weight: 600; font-size: .95em; list-style: none;\"\u003eWhich colour variant do I order?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px; font-size: .92em; color: #333; background: #fff;\"\u003eSpecify the colour suffix when ordering — e.g. \u003cstrong\u003eVKC292W (White), VKC292B (Brown), VKC292G (Grey)\u003c\/strong\u003e. Confirm available variant codes with us.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 8px; border: 1px solid #c8e6e3; border-radius: 4px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 11px 14px; cursor: pointer; font-weight: 600; font-size: .95em; list-style: none;\"\u003eCan this grille be used on a roof?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px; font-size: .92em; color: #333; background: #fff;\"\u003eThe VKC292 is designed for \u003cstrong\u003evertical wall mounting\u003c\/strong\u003e. For roof terminations, use a dedicated roof cowl or tile vent rated for that application.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 8px; border: 1px solid #c8e6e3; border-radius: 4px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #fff; padding: 11px 14px; cursor: pointer; font-weight: 600; font-size: .95em; list-style: none;\"\u003eIs there a stainless steel version?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 14px; font-size: .92em; color: #333; background: #fff;\"\u003eYes — Verplas offers a \u003cstrong\u003e150mm stainless steel gravity outlet\u003c\/strong\u003e for coastal or high-humidity environments. Contact your Verplas supplier for the stainless steel variant SKU.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Verplas","offers":[{"title":"White","offer_id":64757151564125,"sku":"FG6-WHITE","price":13.0,"currency_code":"GBP","in_stock":true},{"title":"Brown","offer_id":64757151596893,"sku":"FG6-BROWN","price":13.0,"currency_code":"GBP","in_stock":true},{"title":"Beige","offer_id":64757151629661,"sku":"FG6-BEIGE","price":13.0,"currency_code":"GBP","in_stock":true},{"title":"Terracotta","offer_id":64757151662429,"sku":"FG6-TERRACOTTA","price":13.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VKC292_Verplas_150mm_External_Gravity_Grille_White_RAL9003.jpg?v=1779362346","url":"https:\/\/qualityheating.co.uk\/products\/verplas-150mm-external-gravity-grille-multi-colour","provider":"AIZO Quality Heating","version":"1.0","type":"link"}