{"product_id":"20-inch-intake-shutter-vent-riga-greenhouses","title":"20\" Intake Shutter Vent for Riga Greenhouses","description":"\u003cp\u003eThe 20\" Intake Shutter Vent is a motorized intake vent built for larger greenhouse structures. Compatible with Riga 5 models, it automatically opens to draw in fresh air and closes to block insects and debris when the exhaust fan is off — delivering hands-free climate control for bigger growing spaces.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise fit:\u003c\/strong\u003e Requires a 20.25\" × 20.25\" rough opening — sized for Riga 5 and Victorian VI wall panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal placement:\u003c\/strong\u003e Install high in the lowest front-wall panel, directly opposite the exhaust fan, for maximum cross-ventilation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation:\u003c\/strong\u003e Pre-wired with a 9-foot power cord — no hardwiring or electrician required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotorized shutters:\u003c\/strong\u003e Automatically open for airflow and close when idle to block pests and debris\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for larger structures:\u003c\/strong\u003e Sized to move the higher air volume needed in Riga 5 and Victorian VI greenhouses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComplete Your Ventilation System\u003c\/h2\u003e\n\u003cp\u003eFor fully automatic climate control, pair this intake vent with a compatible \u003cstrong\u003e16\" or 20\" exhaust fan\u003c\/strong\u003e and a \u003cstrong\u003ethermostat controller\u003c\/strong\u003e. Together they regulate temperature and humidity automatically — no manual adjustments needed, even on the hottest days.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003eRiga 5\u003c\/strong\u003e and \u003cstrong\u003eJanssens Victorian VI 34, 38, 42, and 46\u003c\/strong\u003e greenhouse models. Requires a 20.25\" × 20.25\" wall opening.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent size:\u003c\/strong\u003e 20\" (requires 20.25\" × 20.25\" opening)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower cord:\u003c\/strong\u003e 9 feet, pre-wired (plug-in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Motorized, automatic open\/close\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible models:\u003c\/strong\u003e Riga 5, Janssens Victorian VI 34–46\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e VRSG20A-PSC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size opening does this vent require?\u003c\/h3\u003e\n\u003cp\u003eThe 20\" intake shutter vent requires a \u003cstrong\u003e20.25\" × 20.25\" opening\u003c\/strong\u003e in your greenhouse wall panel.\u003c\/p\u003e\n\u003ch3\u003eDoes it need to be hardwired by an electrician?\u003c\/h3\u003e\n\u003cp\u003eNo. It comes pre-wired with a 9-foot power cord and plugs into a standard outlet — no hardwiring required.\u003c\/p\u003e\n\u003ch3\u003eWhere should I install the intake vent?\u003c\/h3\u003e\n\u003cp\u003eFor best results, install it high in the \u003cstrong\u003elowest panel of the front wall\u003c\/strong\u003e, on the opposite side from your exhaust fan. This creates effective cross-ventilation and maximizes airflow through the greenhouse.\u003c\/p\u003e\n\u003ch3\u003eWhich greenhouse models is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis vent is compatible with \u003cstrong\u003eRiga 5\u003c\/strong\u003e and \u003cstrong\u003eJanssens Victorian VI 34, 38, 42, and 46\u003c\/strong\u003e models.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the 16\" and 20\" intake vents?\u003c\/h3\u003e\n\u003cp\u003eThe 20\" vent is sized for larger greenhouse structures — specifically Riga 5 and Victorian VI models — which require a bigger opening and higher airflow capacity than the Riga 2, 3, and 4 models served by the 16\" vent.\u003c\/p\u003e\n\u003ch3\u003eCan I use this without an exhaust fan?\u003c\/h3\u003e\n\u003cp\u003eThe vent is motorized and designed to work in tandem with an exhaust fan system. Pairing it with an exhaust fan and thermostat delivers the best automatic ventilation performance.\u003c\/p\u003e","brand":"Exaco","offers":[{"title":"Default Title","offer_id":59770638303518,"sku":"VRSG20A-PSC","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1078\/1802\/5246\/files\/in-take_2.webp?v=1786648234","url":"https:\/\/rigagreenhousekit.com\/products\/20-inch-intake-shutter-vent-riga-greenhouses","provider":"Riga Greenhouses","version":"1.0","type":"link"}