b'KESTON HEAT 2SEE THE DIFFERENCEBuilt innon-return valve,British builtincreasing safetyUpdated controls Twin flue designNew cascadeImproved access5 controlfor even easier maintenancePLUS FREE COMMISSIONING2 year parts & labour warranty as standard. 5 year warranty available subject to being commissioned by Keston Boilers. Free Commissioning only available when a Keston 28mm System Filter is installed with a single Keston Heat 2 boiler; not available on multiple (cascade) boiler installations. Terms and conditions apply.* For maximum total equivalent flue length please refer to the installation instructions for full details.page 194 www.hvindex.comKESTON_B2021.indd 1 01/12/2021 10:57'