{"product_id":"vent-extension-11-4-20-3-431-556s-rinnai-fot-155","title":"Vent Extension 11.4-20.3 R146","description":"Overview Rinnai Gas Direct Vented Space Heaters can use extension venting for up to 13 feet with max 2 elbows (The Bend at the heater does not count towards the max of 2 elbows). Pipe must be accessible and cannot be buried in a wall and must be accessible. Rinnai extensions exceeding this length should drain to the outside and sloped 3 Degree downward slope to allow moisture to drain out of the pipe instead into the heater, which would damage the unit. Features: Size: 11\" to 20\"","brand":"My Store","offers":[{"title":"Default Title","offer_id":50445411221752,"sku":"P353531696777402587","price":20.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/5193\/3944\/files\/905a0c2e573c2ca4786f62c277a018b76207b434d75af620de5e9be81566b7d7.webp?v=1788602144","url":"https:\/\/jianrongttc.sbs\/products\/vent-extension-11-4-20-3-431-556s-rinnai-fot-155","provider":"My Store","version":"1.0","type":"link"}