The Vaillant EcoTec Exclusive 843 is a 43kW natural gas combi boiler, designed with a stainless steel heat exchanger for efficiency and longevity. This white boiler is ERP certified and boasts an A energy rating.

Product Features:

• Brand: Vaillant
• Product Type: Combi Boiler
• Heat Output: 43kW
• Fuel Type: Natural Gas
• Material: Stainless Steel
• Energy Rating: A
• Product Warranty: 10 Year

Part of the Eco Tec Exclusive 843 series, this boiler offers a temperature range of 30 to 80?C and a BTU rating of 122832.