Condensing - Grant UK

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Grant Vortex Eco Outdoor RangeIntroductionGrant developed the first oil-fired external boilerin 1986 and although the concept was new to theoil market, it quickly became a popular addition tothe range. Today, as around one in four oil boilerinstallations are external, Grant have expandedthe number of options available with the launch ofthree competitively priced Eco external modules.The models have outputs between 15kW and 35kW(50-120,000Btu/h) and SAP 2009 gross seasonalefficiencies of 90.3 - 90.8% gross.External finishThis high efficiency Eco external range has someunique features including multi-directional flueingoptions, high quality external powder coated paintfinish, built-in boiler frost protection, mains isolatingswitch and a test switch.Dimensions (mm)Grant Vortex Eco External15-21, 21-26, 26-35Sealed system kitsEco external boilers can be converted to sealedsystem operation by purchasing a pre-assembledkit from Grant UK (Product code: VTXECOSSKIT35).The sealed system kit includes an expansionvessel, automatic air vent, pressure relief valveand circulating pump. A filling loop and pressuregauge are also supplied as part of the kit. These canbe fitted within the module casing, or ideally in aconvenient site within the building, located betweenthe cold main and central heating return.Model shown: Grant Vortex Eco External Module6
SAP 2009Eco Efficiency . . .90.3 - 90.8% GrossGrant Vortex Eco External ModulesVTXOMECO1521 VTXOMECO2126 VTXOMECO2635Test SwitchControl PanelMains IsolatingSwitchBoilerThermostatOverheatThermostatOptional Sideor Rear Flue ExitsFrost Stat set to 5°C(factory fitted inside controlpanel - not shown)Optional PipeEntry PointsRiello RDBBurnerCondensate Trap(factory-fitted in rear of casing- not shown)Model shown:VTXOMECO1521(front view)Technical specifications - Boiler ConnectionsVortex EcoWall-MountedProgramer OptionsModelEco External Modules15-21 21-26 26-35Output kW 15 to 21 21 to 26 26 to 35Output Btu/h 50-70,000 70-90,000 90-120,000Flow connection 22mm 22mm 22mmOptional Grant ES Kit,Wall-mounted twin-channelprogrammerReturn connection 22mm 22mm 22mmCold water in (system kit) 15mm 15mm 15mmPressure relief (system kit) 15mm 15mm 15mmCondensate pipe21.5mm OD plastic overflow pipeNOTE 1: All boiler connections can be positioned to the left or right of the appliance.NOTE 2: Grant Vortex Eco External Modules are suitable for fully pumped systems only.Optional Grant RS Kit Wall-mountedprogrammable room thermostatT: 01380 736920 W: WWW.GRANTUK.COM7
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