{"product_id":"eca-proteus-premix-35kw-without-flue","title":"ECA Proteus Premix 35kW WITHOUT FLUE","description":"The ECA Proteus Premix 35kW is a high-efficiency condensing boiler designed for medium to large residential properties and light commercial applications. This model delivers reliable heating performance with a 35kW output, making it suitable for homes with multiple bathrooms and higher hot water demand.\n\nKey features include advanced premix burner technology for optimised combustion, low NOx emissions for environmental compliance, and a compact footprint that simplifies installation in confined spaces. The unit operates at high efficiency, helping reduce energy consumption and heating bills.\n\nThis is the flue-less variant, ideal for applications where external flue routing is not feasible or where internal balanced flue systems are preferred. Ensure proper ventilation and compliance with Building Regulations before installation.\n\nCompatible with standard heating system controls and thermostats. Suitable for sealed and open vented systems. Professional installation by a qualified Gas Safe engineer is required.\n\nVerify compatibility with your existing pipework, controls, and system configuration before ordering. Check local regulations and installation requirements for your property type.","brand":"CapitalBoilerParts","offers":[{"title":"Default Title","offer_id":48292115087582,"sku":null,"price":726.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0253\/6272\/6989\/files\/Screenshot2026-05-30102935.png?v=1780133525","url":"https:\/\/www.capitalboilerparts.com\/products\/eca-proteus-premix-35kw-without-flue","provider":"CapitalBoilerParts","version":"1.0","type":"link"}