Melbury C pressure jet condensing boiler

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

Product information

    • 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.
    • Installations using models over 1MW thermal input need to comply with the Medium Combustion Plant Directive - please contact us for more information.

Technical data

Compare models
Unit MC530
Primary heat exchanger
Energy
Building regulation seasonal efficiency gross % 95.03
Boiler output 80/60°C kW 530
Boiler input (gross) maximum kW 645
Boiler input (net) maximum kW 581
Boiler output minimum 80/60°C kW 95
Water
Design flow rate @20°C ΔT rise l/s 6.3
Water side pressure loss @20°C ΔT rise mbar 11
Design flow rate @10°C ΔT rise l/s 12.7
Water side pressure loss @10°C ΔT rise mbar 42
Water flow rate - minimum l/s No minimum flow rate
Operating water pressure - maximum (minimum) barg 6 (0.55)
Operating water temperature - maximum °C 95
Water return temperature - minimum °C 60
Gas
Gas flow rate natural gas (G20) - maximum m3/h 61.5
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
Flue gas temperature @80/60°C °C 209
Nox emission (0% excess oxygen, dry air free) European Class 5 mg/kWh 80-100
Combustion chamber resistance mbar 5.97
Secondary heat exchanger
Energy
Energy output @35/30 - max (min) kW 67 (12)
Standby loss @70°C W 824
Water
Design flow rate @10°C ΔT rise l/s 1.6
Water side pressure loss @10°C ΔT rise mbar 13
Design flow rate @5°C ΔT rise l/s 3.21
Water side pressure loss @5°C ΔT rise mbar 53
Water flow rate - maximum (minimum) barg 0.47 (3.21)
Condensate flow rate - maximum l/h 38
Flue
Flue gas temperature @35/30°C °C 33
Flue gas losses @35/30°C % 1.5
Combustion path resistance mbar 2.81
Misc.
Nominal supply voltage - for boiler 230V 1Ph 50Hz
Approx. shipping weight - excluding burner kg 1450

Downloads

Melbury HE-C installation manual

Installers guides 1903 kb

Melbury C 1150-1300 boiler front view CAD

CAD 35 kb

Melbury C 1150-1300 boiler ISO1 CAD

CAD 201 kb

Melbury C 1150-1300 boiler ISO2 CAD

CAD 216 kb

Melbury C 1150-1300 boiler left-hand side CAD

CAD 75 kb

Melbury C 1150-1300 boiler plan view CAD

CAD 72 kb

Melbury C 1150-1300 boiler rear view CAD

CAD 64 kb

Melbury C 1150-1300 boiler right-hand side CAD

CAD 56 kb

Melbury C 1650 boiler front view CAD

CAD 35 kb

Melbury C 1650 boiler ISO1 CAD

CAD 201 kb

Melbury C 1650 boiler ISO2 CAD

CAD 217 kb

Melbury C 1650 boiler left-hand side CAD

CAD 75 kb

Melbury C 1650 boiler plan view CAD

CAD 72 kb

Melbury C 1650 boiler rear view CAD

CAD 64 kb

Melbury C 1650 boiler right-hand side CAD

CAD 58 kb

Melbury C 1900 boiler front view CAD

CAD 31 kb

Melbury C 1900 boiler ISO1

CAD 224 kb

Melbury C 1900 boiler ISO2

CAD 233 kb

Melbury C 1900 boiler left-hand view CAD

CAD 84 kb

Melbury C 1900 boiler plan view CAD

CAD 69 kb

Melbury C 1900 boiler rear view CAD

CAD 46 kb

Melbury C 1900 boiler righ-hand view CAD

CAD 59 kb

Melbury C 2500 boiler front view CAD

CAD 31 kb

Melbury C 2500 boiler ISO1

CAD 227 kb

Melbury C 2500 boiler ISO2

CAD 234 kb

Melbury C 2500 boiler left-hand view CAD

CAD 84 kb

Melbury C 2500 boiler plan view CAD

CAD 70 kb

Melbury C 2500 boiler rear view CAD

CAD 46 kb

Melbury C 2500 boiler right-hand view CAD

CAD 58 kb

Melbury C 3000 boiler front view CAD

CAD 31 kb

Melbury C 3000 boiler ISO1

CAD 246 kb

Melbury C 3000 boiler ISO2

CAD 258 kb

Melbury C 3000 boiler left-hand view CAD

CAD 86 kb

Melbury C 3000 boiler plan view CAD

CAD 73 kb

Melbury C 3000 boiler rear view CAD

CAD 47 kb

Melbury C 3000 boiler right-hand view CAD

CAD 59 kb

Melbury C 530 boiler front view CAD

CAD 34 kb

Melbury C 530 boiler ISO1 CAD

CAD 194 kb

Melbury C 530 boiler ISO2 CAD

CAD 206 kb

Melbury C 530 boiler left-hand side CAD

CAD 73 kb

Melbury C 530 boiler plan view CAD

CAD 75 kb

Melbury C 530 boiler rear view CAD

CAD 66 kb

Melbury C 530 boiler right-hand side CAD

CAD 76 kb

Melbury C 580-630 boiler front view CAD

CAD 34 kb

Melbury C 580-630 boiler ISO1 CAD

CAD 197 kb

Melbury C 580-630 boiler ISO2 CAD

CAD 209 kb

Melbury C 580-630 boiler left-hand side CAD

CAD 79 kb

Melbury C 580-630 boiler plan view CAD

CAD 76 kb

Melbury C 580-630 boiler rear view CAD

CAD 65 kb

Melbury C 580-630 boiler right-hand side CAD

CAD 81 kb

Melbury C 700-800 boiler front view CAD

CAD 33 kb

Melbury C 700-800 boiler ISO1 CAD

CAD 194 kb

Melbury C 700-800 boiler ISO2 CAD

CAD 205 kb

Melbury C 700-800 boiler left-hand side CAD

CAD 70 kb

Melbury C 700-800 boiler plan view CAD

CAD 76 kb

Melbury C 700-800 boiler rear view CAD

CAD 63 kb

Melbury C 700-800 boiler right-hand side CAD

CAD 72 kb

Melbury C 895 boiler front view CAD

CAD 33 kb

Melbury C 895 boiler ISO1 CAD

CAD 195 kb

Melbury C 895 boiler ISO2 CAD

CAD 207 kb

Melbury C 895 boiler left-hand side CAD

CAD 65 kb

Melbury C 895 boiler plan view CAD

CAD 75 kb

Melbury C 895 boiler rear view CAD

CAD 63 kb

Melbury C 895 boiler right-hand side CAD

CAD 65 kb

Melbury C seasonal efficiency

Seasonal efficiency sheets 110 kb

Ideal uses/applications

Optional extras

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