[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-640381-105":59,"doc-detail-640381-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","economy-30fgc-no4131905","ECONOMY 30FG.C - No.4131905","","Product instructions for Hepworth Heating ECONOMY gas boilers, covering safe natural gas-only operation and basic automated control using a thermostat. The booklet provides range rating guidance for adjusting outputs to match individual pumped systems, including factory maximum setting and an adhesive arrow indicator for the data badge. It specifies data badge location, key dimensions and utilities (water, electrical, gas), B.S.I. certification requirements and implications of unauthorized alterations, installation essentials, sheet metal handling precautions, and burner/range rating parameters across ECONOMY 30F/40F/50F 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","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-09","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What gas type is the ECONOMY boiler designed for?","Question",{"text":112,"@type":113},"The boiler is for use on natural gas only and must not be used on any other gas.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How is the boiler control operated by the user?",{"text":117,"@type":113},"Operation is simple; use the thermostat knob to turn it on or off as required.",{"name":119,"@type":110,"acceptedAnswer":120},"What is required to adjust or modify the boiler?",{"text":121,"@type":113},"No alteration should be made unless approved in writing by Hepworth Heating Ltd., since unapproved changes could invalidate B.S.I. certification and warranty and may infringe statutory requirements.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},640381,1792723331,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},687207022233,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","ECONOMY 30FG.C No.4131905ECONOMY 40F G.C No.4131906ECONOMY 50FG.C No.4131907  \n2742  \nHepworth Heating Ltd.,Nottingham Road,Belper,Derby.DE51JT Tel:Belper (0773)824141 Telex 37586  \n# 1 General\n\nIMPORTANT NOTICE  \nThe Economy boilers are for use on natural gasonly and must not be used on any other gas.  \n## 1.1 Introduction\n\nThese boilers are fully automatically controlled wallmounted,fanned flue,room sealed boilers,speciallydesigned for fully pumped systems,giving ease ofsiting,installation and servicing  \nThe operation of these boilers is very simple withthe user having only to turn the thermostat knob onor off as required.  \n## 1.2 Range Rating\n\nThese boilers are range rated and may be adjustedto suit individual systems.The appropriate tablegives settings and outputs.  \nThe boiler input is factory preset at maximumrating and should be adjustcd to suit the systemrequirements.  \nA sclf adhcsive arrow indicator is supplied in theloose itcms pack for fixing on to the data badge,toindicate the adjustcd setting.  \n## 1.3 Data\n\nThe dala badgc is posilioncd at the lower right ofthe boiler,abovc the model and serial numberplale,visible whcn the white casing has beenremoved.  \nDimensions shown in diagrams are in millimetres.  \n(as conncction -Rcl/₂(/₂BSPT)  \nWater conncction -22mm compression  \nElcctrical supply -240V~50Hz Fused at 3A  \n## 1.4 B.S.I.Certification\n\nThese boilers are certified by B.S.I.for safety andpcrformance.It is therefore important that noaltcration is made to the boilers unless approved,inwriting from Hepworth Heating Ltd.  \nAny alteration that is not approved by HepworthHcating Ltd.,could invalidate the B.S.I.  \ncertification,boiler warranty and could also infringethe Statutory Requirements.  \n## 1.5 Procedure\n\nIt is csscntial that the boilcr is installed strictly inaccordance with the instructions and information inthis booklet.  \n## 1.6 Sheet Metal Parts\n\nWhcn installing or servicing this boiler,care shouldbe taken when handling sheetmetal parts,to avoidany possibility of injury.  \n\n| ECONOMY 30F   |  |  |  |\n| --- | --- | --- | --- |\n| RANGE RATING   | Min.   | Med.   | Max.   |\n| NOMINAL  \u003Cbr>kW  \u003Cbr>HEAT  \u003Cbr>Btu/h  \u003Cbr>INPUT   | 7.44   | ·   | 11.08   |\n|  | 25400   |  | 37800   |\n| NOMINAL  \u003Cbr>kW  \u003Cbr>HEAT  \u003Cbr>Btu/h  \u003Cbr>OUTPUT   | 5.86   | ·   | 8.79   |\n|  | 20000   | ·   | 30000   |\n| BURNER  \u003Cbr>m bar  \u003Cbr>SETTING  \u003Cbr>PRESSURE in.w.g.   | 5.5   | -   | 10.0   |\n|  | 2.2   |  | 4.0   |\n\n\n| ECONOMY 40F   |  |  |  |\n| --- | --- | --- | --- |\n| RANGE RATING   | Min.   | Med.   | Max.   |\n| kW  \u003Cbr>NOMINAL  \u003Cbr>HEAT  \u003Cbr>Btu/h  \u003Cbr>INPUT   | 9.96   | 13.50   | 15.17   |\n|  | 34000   | 46000   | 51750   |\n| NOMINAL  \u003Cbr>kW  \u003Cbr>HEAT  \u003Cbr>Btu/h  \u003Cbr>OUTPUT   | 7.33   | 10.26   | 11.72   |\n|  | 25000   | 35000   | 40000   |\n| BURNER m bar  \u003Cbr>SETTING  \u003Cbr>PRESSURE in.w.g.   | 5.1   | 8.8   | 11.1   |\n|  | 2.0   | 3.5   | 4.4   |\n\n\n| ECONOMY 50F   |  |  |  |\n| --- | --- | --- | --- |\n| RANGE RATING   | Min.   | Med.   | Max.   |\n| NOMINAL  \u003Cbr>kW  \u003Cbr>HEAT  \u003Cbr>Btu/h  \u003Cbr>INPUT   | 13.04   | -   | 18.39   |\n|  | 44500   | ·   | 62750   |\n| kW  \u003Cbr>NOMINAL  \u003Cbr>HEAT  \u003Cbr>Btu/h  \u003Cbr>OUTPUT   | 10.26   | 13.19   | 14.65   |\n|  | 35000   | 45000   | 50000   |\n| BURNER  \u003Cbr>m bar  \u003Cbr>SETTING  \u003Cbr>PRESSURE in.w.g.   | 6.4   | 9.6   | 11.7   |\n|  | 2.6   | 3.9   | 4.7   |\n\n\n| MODEL   | ECONOMY  \u003Cbr>30F   | ECONOMY  \u003Cbr>40F &50F   |\n| --- | --- | --- |\n| Weight of  \u003Cbr>complete boiler   | 24 kg  \u003Cbr>53 ib   | 25 kg  \u003Cbr>55 Ib   |\n| Water  \u003Cbr>content   | 0.55 litre  \u003Cbr>1 pint   | 0.62 litre  \u003Cbr>1/g pint   |\n\n1 General  \n## 1.8 Statutory Requirements\n\nThis boiler must be installed by a competent personin accordance with the current issue of,The GasSafety (Installation and Use)Regulations,TheBuilding Regulations,The I.E.E.Wiring Regulations,local Water Company regulations,The BuildingStandards(Scotland)Regulations(applicable inScotland).  \nDetailed recommendations are contained in thecurrent issue of the followin","cbCaiplzV0jnYbX6","https://ap.wps.com/l/cbCaiplzV0jnYbX6","pdf",1866401,31,"English","# 1 General\n## 1.1 Introduction\n## 1.2 Range Rating\n## 1.3 Data\n## 1.4 B.S.I. Certification\n## 1.5 Procedure\n## 1.6 Sheet Metal Parts\n## 1.8 Statutory Requirements\n## 1.9 Gas Supply\n## 1.10 Electrical\n## 1.10 Boiler Location","[{\"question\":\"What gas type is the ECONOMY boiler designed for?\",\"answer\":\"The boiler is for use on natural gas only and must not be used on any other gas.\"},{\"question\":\"How is the boiler control operated by the user?\",\"answer\":\"Operation is simple; use the thermostat knob to turn it on or off as required.\"},{\"question\":\"What is required to adjust or modify the boiler?\",\"answer\":\"No alteration should be made unless approved in writing by Hepworth Heating Ltd., since unapproved changes could invalidate B.S.I. certification and warranty and may infringe statutory requirements.\"}]","ECONOMY 30FG.C - No.4131905 | PDF",1792708830,78]