Worcester ZB 728 HE system Technical data. Setting the heating out Setting the gasair ratio 27 28 28 28 28 28 29 29 29 7 Converting the appliance to different gas types 30 7. 1 Setting the gasair ratio 30 7. 2 Testing combustion airflue gas at set heat output 32 Testing the O2 or CO2 level in the combustion air 32 Testing CO ZWB 730 R 30 HE GCNumber: 47 311 78 ZB 728 R 28 HE system GCNumber: 41 311 62 6 720 610 577 GB (04. 05) OSW. 2 Contents 6 720 610 577 GB (04. 05) Contents And its backed up by Worcester Heat Systems Ltd.
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We have 1 Worcester ZB 728 HE system manual available for free PDF download: Users Instructions And Customer Care Manual. Worcester ZB 728 HE system Users Instructions And Customer Care Manual (24 pages) The Worcester Greenstar ZB 728 HE is an 'A' rated boiler which has an excellent efficiency of 90. 7. The Greenstar ZB 728 HE is a Condensing Conventional boiler with a maximum power output of 27.
7kw that uses Gas as its fuel source. Worcester Greenstar ZB 727KW HE System Plumbase Specialist plumbers' merchant offering plumbing and heating products, boiler spares, bathrooms and renewables across 170 branches, on the phone and online.