High outputs and high efficiency performance from this condensing steel shell boiler.

Available in the following outputs (at 80/60°C):  580, 630, 700, 800, 895, 1150, 1300, 1650, 1900, 2500 and 3000kW.

 

Efficiency 97 product icon
Fuel NG oil biofuel dualfuel product icon
Warranty 2 product item
Melbury C pressure jet boiler
  • Lower running costs with condensing efficiency up to 97% gross.
  • Choice of fuel includes liquid biofuel for renewable energy solutions.
  • Low NOx burners further improve the environmental credentials of the boiler.
  • Manufactured from high quality steel means it’s built to last.
  • Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.
  • Suitable for commercial and industrial applications with high heating and hot water energy demands.
  • Extensive back up and support from our team of experienced engineers across the UK.
  • Long term commitment to spare parts.
Primary heat exchanger Boiler model Unit MC530 MC580 MC630 MC700 MC800 MC895 MC1150 MC1300 MC1650 MC1900 MC2500 MC3000  
Energy Building regulation seasonal efficiency gross % 95.03 95.11 95.13 95.18 95.17 95.24 95.24 95.22 95.21 95.31 95.33 95.28  
Boiler output 80/60°C kW 530 580 630 700 800 895 1150 1300 1650 1900 2500 3000  
Boiler input (gross) maximum kW 645 697 762 838 966 1068 1377 1570 2004 2294 3009 3643  
Boiler input (net) maximum kW 581 628 686 755 870 962 1240 1414 1805 2067 2711 3282  
Boiler output minimum 80/60°C kW 95 121 121 175 175 269 311 314 367 459 713 714  
Water Design flow rate @20°C ΔT rise l/s 6.3 6.9 7.5 8.4 9.6 10.7 13.8 15.6 19.7 22.7 29.9 35.9  
Water side pressure loss @20°C ΔT rise mbar 11 13 15 18 24 30 20 26 42 27 46 21  
Design flow rate @10°C ΔT rise l/s 12.7 13.9 15.1 16.7 19.1 21.4 27.5 31.1 39.5 45.4 59.8 71.8  
Water side pressure loss @10°C ΔT rise mbar 42 50 59 73 96 120 81 103 167 106 184 84  
Water flow rate - minimum l/s No minimum flow rate  
Operating water pressure - maximum (minimum) barg 6 (0.55) 6 (0.55) 6 (0.65) 6 (0.5) 6 (0.7) 6 (0.75) 6 (0.85) 6 (1.1) 6 (1.25) 6 (1.3) 6 (1.6) 6 (1.7)  
Operating water temperature - maximum °C 95 95 95 95 95 95 95 95 95 95 95 95  
Water return temperature - minimum °C 60 60 60 60 60 60 60 60 60 60 60 60  
Gas Gas flow rate natural gas (G20) - maximum m3/h 61.5 66.5 72.6 79.9 92.1 101.8 131.3 149.7 191 218.8 286.9 347.3
Gas inlet pressure natural gas (G20) - nominal/maximum mbar nom 20 / max 50  
Flue Approx. flue gas volume @15°C, 9% CO2 N.T.P m3/h 738 799 892 984 1137 1230 1599 1814 2336 2675 3505 4243  
Flue gas temperature @80/60°C °C 209 187 197 179 196 172 179 194 205 195 188 205  
Nox emission (0% excess oxygen, dry air free) European Class 5 mg/kWh 80-100 80-100 80-100 80-100 80-100 80-100 80-100 80-100 80-100 80-100 80-100 80-100  
Combustion chamber resistance mbar 5.97 4.22 5.06 5.03 6.74 5.33 6.41 8.39 9.67 9.43 10.35 9.5  
Secondary heat exchanger Energy Energy output @35/30 - max (min) kW 67 (12) 72 (15) 79 (15) 87 (22) 101 (22) 110 (33) 143 (38) 163 (39) 208 (45) 239 (57) 313 (90) 378 (109)  
Standby loss @70°C W 824 926 926 1073 1073 1239 1447 1447 1645 1831 2166 2427  
Water Design flow rate @10°C ΔT rise l/s 1.6 1.72 1.89 2.08 2.42 2.63 3.42 3.9 4.98 5.72 7.49 9.04  
Water side pressure loss @10°C ΔT rise mbar 13 22 27 22 29 25 30 39 41 37 40 42  
Design flow rate @5°C ΔT rise l/s 3.21 3.45 3.78 4.16 4.83 5.26 6.81 7.75 9.91 11.4 14.9 18  
Water side pressure loss @5°C ΔT rise mbar 53 89 107 89 117 100 40 54 64 52 53 66  
Water flow rate - maximum (minimum) barg 0.47 (3.21) 0.47 (3.45) 0.56 (3.78) 0.56 (4.16) 0.69 (4.83) 0.75 (5.26) 0.89 (6.84) 1.11 (7.8) 1.53 (9.95) 1.67 (11.4) 2.08 (15) 2.69 (18.1)  
Condensate flow rate - maximum l/h 38 48 49 61 64 81 98 102 124 151 199 242  
Flue Flue gas temperature @35/30°C °C 33 33 32 33 49 47 47 49 50 49 48 50  
Flue gas losses @35/30°C % 1.5 1.4 1.4 1.3 1.5 1.4 1.5 1.6 1.6 1.6 1.6 1.6  
Combustion path resistance mbar 2.81 1.32 1.6 1.89 2.57 1.44 1.29 1.71 2.83 2.13 2.25 2.2  
Misc. Nominal supply voltage - for boiler 230V 1Ph 50Hz  
Approx. shipping weight - excluding burner kg 1450 1800 1800 2160 2160 2420 2950 2950 3508 4133 5169 5892  
  Title Type Size  
Melbury HE-C installation manual Melbury HE-C installation manual Installers guides 1903 ko Download
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Melbury C 1900 boiler righ-hand view CAD Melbury C 1900 boiler righ-hand view CAD CAD 59 ko Download
Melbury C 2500 boiler ISO1 Melbury C 2500 boiler ISO1 CAD 227 ko Download
Melbury C 2500 boiler ISO2 Melbury C 2500 boiler ISO2 CAD 234 ko Download
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Melbury C 2500 boiler left-hand view CAD Melbury C 2500 boiler left-hand view CAD CAD 84 ko Download
Melbury C 2500 boiler plan view CAD Melbury C 2500 boiler plan view CAD CAD 70 ko Download
Melbury C 2500 boiler rear view CAD Melbury C 2500 boiler rear view CAD CAD 46 ko Download
Melbury C 2500 boiler right-hand view CAD Melbury C 2500 boiler right-hand view CAD CAD 58 ko Download
Melbury C 3000 boiler ISO1 Melbury C 3000 boiler ISO1 CAD 246 ko Download
Melbury C 3000 boiler ISO2 Melbury C 3000 boiler ISO2 CAD 258 ko Download
Melbury C 3000 boiler front view CAD Melbury C 3000 boiler front view CAD CAD 31 ko Download
Melbury C 3000 boiler left-hand view CAD Melbury C 3000 boiler left-hand view CAD CAD 86 ko Download
Melbury C 3000 boiler plan view CAD Melbury C 3000 boiler plan view CAD CAD 73 ko Download
Melbury C 3000 boiler rear view CAD Melbury C 3000 boiler rear view CAD CAD 47 ko Download
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Melbury C 530 boiler ISO1 CAD Melbury C 530 boiler ISO1 CAD CAD 194 ko Download
Melbury C 530 boiler ISO2 CAD Melbury C 530 boiler ISO2 CAD CAD 206 ko Download
Melbury C 530 boiler front view CAD Melbury C 530 boiler front view CAD CAD 34 ko Download
Melbury C 530 boiler left-hand side CAD Melbury C 530 boiler left-hand side CAD CAD 73 ko Download
Melbury C 530 boiler plan view CAD Melbury C 530 boiler plan view CAD CAD 75 ko Download
Melbury C 530 boiler rear view CAD Melbury C 530 boiler rear view CAD CAD 66 ko Download
Melbury C 530 boiler right-hand side CAD Melbury C 530 boiler right-hand side CAD CAD 76 ko Download
Melbury C 580-630 boiler ISO1 CAD Melbury C 580-630 boiler ISO1 CAD CAD 197 ko Download
Melbury C 580-630 boiler ISO2 CAD Melbury C 580-630 boiler ISO2 CAD CAD 209 ko Download
Melbury C 580-630 boiler front view CAD Melbury C 580-630 boiler front view CAD CAD 34 ko Download
Melbury C 580-630 boiler left-hand side CAD Melbury C 580-630 boiler left-hand side CAD CAD 79 ko Download
Melbury C 580-630 boiler plan view CAD Melbury C 580-630 boiler plan view CAD CAD 76 ko Download
Melbury C 580-630 boiler rear view CAD Melbury C 580-630 boiler rear view CAD CAD 65 ko Download
Melbury C 580-630 boiler right-hand side CAD Melbury C 580-630 boiler right-hand side CAD CAD 81 ko Download
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Melbury C 700-800 boiler ISO2 CAD Melbury C 700-800 boiler ISO2 CAD CAD 205 ko Download
Melbury C 700-800 boiler front view CAD Melbury C 700-800 boiler front view CAD CAD 33 ko Download
Melbury C 700-800 boiler left-hand side CAD Melbury C 700-800 boiler left-hand side CAD CAD 70 ko Download
Melbury C 700-800 boiler plan view CAD Melbury C 700-800 boiler plan view CAD CAD 76 ko Download
Melbury C 700-800 boiler rear view CAD Melbury C 700-800 boiler rear view CAD CAD 63 ko Download
Melbury C 700-800 boiler right-hand side CAD Melbury C 700-800 boiler right-hand side CAD CAD 72 ko Download
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Melbury C 895 boiler ISO2 CAD Melbury C 895 boiler ISO2 CAD CAD 207 ko Download
Melbury C 895 boiler front view CAD Melbury C 895 boiler front view CAD CAD 33 ko Download
Melbury C 895 boiler left-hand side CAD Melbury C 895 boiler left-hand side CAD CAD 65 ko Download
Melbury C 895 boiler plan view CAD Melbury C 895 boiler plan view CAD CAD 75 ko Download
Melbury C 895 boiler rear view CAD Melbury C 895 boiler rear view CAD CAD 63 ko Download
Melbury C 895 boiler right-hand side CAD Melbury C 895 boiler right-hand side CAD CAD 65 ko Download
Melbury C seasonal efficiency Melbury C seasonal efficiency Seasonal efficiency sheets 110 ko Download
  • New build projects.
  • Housing developments and flats using district heating networks.
  • Large commercial and public buildings including schools, hospitals, offices and hotels.
  • Medium sized commercial and public buildings including schools, hospitals, offices and hotels.
  • An environmentally friendly alternative to oil for rural locations without access to mains gas supply.
  • Locations with substantial and continuous heating loads including hospitals, care homes and hotels.