View online Instruction manual for Worcester GREENSTAR 24i junior Thermostat or simply click Download button to examine the Worcester GREENSTAR 24i junior guidelines offline on your desktop or laptop computer. 28i junior GC NUMBER 47-311-91. UK/IE. The Worcester Greenstar 28i Junior Combi Boiler has been discontinued and is now the Worcester Greenstar 30i Combi Boiler Natural Gas ErP. Enhancing on the popular features of the Greenstar i Junior. Available in combi outputs of 25kW and 30kW WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER GREENSTAR 24i Junior/28i Junior 6720643356-00.1Wo FOR SEALED CENTRAL HEATING SYSTEMS AND MAINS FED DOMESTIC HOT WATER 6 720 802 048 (2013/05) The appliance is for use with Natural Gas or L.P.G. (Cat II 2H3P type C13, C33 & C53) Model GC Number Natural Gas 24i Junior 47-406-54 28i Junior 47 worcester greenstar 28i junior gc number 47-311-87 liquid petroleum gas: and the user manual with the owner or at the gas meter after installa-tion or servicing. the benchmark checklist can be found in the back two pages of the installation manual. A little vid to show how I wired the nest to the Worcester 28i Junior as I was unable to find anything on here. Nest Thermostat for Worcester Greenstar 28i Junior Replacing a programmer View online Instruction manual for Bosch GREENSTAR 24i junior Boiler or simply click Download button to examine the Bosch GREENSTAR 24i junior guidelines offline on your desktop or laptop computer. WORCESTER GREENSTAR 28i junior GC NUMBER 47-311-87. See more like this Worcester Greenstar 24/28i Junior Control Cover Flap 87186913570 BNIB. WORCESTER GREENSTAR JUNIOR 24i & 28i , MK5 FLOW TURBINE ADAPTOR 87161064330. Save worcester greenstar 24i programmer to get e-mail alerts and updates on your eBay Feed. Search refinements. Categories INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 24 i junior/28 i junior. 8 716 107 336b (11/05) 27. IN. ST. AL. LA. TI. O. N. CAUTION: ISOLATE