{"product_id":"vaillant-automatic-air-vent-104521-0010033857","title":"Vaillant Automatic Air Vent | 104521 | 0010033857","description":"\u003ch3 class=\"product-meta__title heading h1\" style=\"text-align: center;\"\u003eVaillant Automatic Air Vent | 104521 | 0010033857\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe \u003cstrong\u003eautomatic air vent\u003c\/strong\u003e is a safety device within the central heating unit. They work by using buoyancy to release built up air. As water flows through the heating\/cooling system, a float within the \u003cstrong\u003eautomatic air vent\u003c\/strong\u003e opens or closes depending on the water level. If the system is full of water, the float will be pushed to the top and the vent will be closed until the water level drops.\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis Part Fits:\u003c\/em\u003e\u003c\/strong\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVaillant ecoTEC exclusive 832 (2007-2010)\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eVaillant ecoTEC exclusive 838 (2007-2010)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 612\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 612\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 615\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 615\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 618\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 618\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 624\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 624\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 630\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 630\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 637\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 824\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 824\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 831\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 831\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 837\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 937\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PRO 24\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PRO 28\u003c\/li\u003e\n\u003cli\u003eVaillant TURBOmax PLUS 824 E\u003c\/li\u003e\n\u003cli\u003eVaillant TURBOmax PLUS 824 E\u003c\/li\u003e\n\u003cli\u003eVaillant TURBOmax PLUS 828 E\u003c\/li\u003e\n\u003cli\u003eVaillant TURBOmax PLUS 837 E\u003c\/li\u003e\n\u003cli\u003eVaillant TURBOmax PRO 24 E\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eVaillant TURBOmax PRO 28 E\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eVaillant VU 05\/03\/0126 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 126\/3-5 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 152\/2-5 R1 (2002-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 152\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 156\/3-5 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 156\/3-5 R1 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 186\/3-5 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 186\/3-5 R1 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 202\/2-5 R1 (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 202\/2-5 R2 (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 202\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 242\/2-5 (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 242\/2-5 R2 (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 242\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 246\/3-5 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 246\/3-5 R1 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 282\/2-5 R1 (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 282\/2-5 R2 (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 282\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 306\/3-5 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 306\/3-5 R1 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 362\/2-5 (2002-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 362\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 376\/3-5 R1 (2006-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUI 376\/3-5 (2006-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 242\/2-3 R1 (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 242\/2-3 R2 (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 242\/2-3 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 242\/2-5 R1 (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 242\/2-5 R2 (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 242\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 246\/3-3 R1 (2006-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 246\/3-5 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 246\/3-5 R1 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 282\/2-3 R1 (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 282\/2-3 R2 (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 282\/2-3 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 282\/2-5 R1 (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 282\/2-5 R2 (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 282\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 286\/3-3 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 286\/3-3 R1 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 316\/3-5 (2005-2005)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 316\/3-5 R1 (2005-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 326\/4-E (2007-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 362\/2-5 R3 (2002-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 362\/2-5 R3 (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 376\/3-5 R1 (2006-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 386\/4-E (2007-2010)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 615 E (2002-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 615 E (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 620 E (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 620 E (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 624 E (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 624 E (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 624 E (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 628 E (2002-2003)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 628 E (2003-2004)\u003c\/li\u003e\n\u003cli\u003eVaillant THERMOcompact 628 E (2004-2008)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 126\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 156\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 186\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 246\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 306\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 376\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 612\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 615\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 618\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 624\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 630\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 637\u003c\/li\u003e\n\u003cli\u003eVaillant VU 126\/5-5 R1 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 156\/5-5 R2 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 186\/5-5 R3 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 246\/5-5 R4 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 306\/5-5 R5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VU 376\/5-5 R6 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 612 R1\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 615 R2\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 618 R3\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 624 R4\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 630 R5\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 637 R6\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 246\/5-3 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 286\/5-3 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PRO 24\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PRO 28\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 246\/5-3 R1 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 286\/5-3 R1 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PRO 24 R1\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PRO 28 R1\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 246\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 316\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 376\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 824\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 831\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 837\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 246\/5-5 R1 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 316\/5-5 R1 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant VUW 376\/5-5 R1 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 824 R1\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 831 R1\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 837 R1\u003c\/li\u003e\n\u003cli\u003eVaillant VUI 376\/5-5 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 937\u003c\/li\u003e\n\u003cli\u003eVaillant VUI 376\/5-5 R1 (2012-CURR)\u003c\/li\u003e\n\u003cli\u003eVaillant ecoTEC PLUS 937 R1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":48582275432785,"sku":"GAS-0010033857","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/5022\/0369\/files\/Screenshot2024-05-14at10.38.04.png?v=1715679534","url":"https:\/\/hydeplumb.co.uk\/products\/vaillant-automatic-air-vent-104521-0010033857","provider":"Hyde Plumbing \u0026 Heating Supplies","version":"1.0","type":"link"}