worcester greenstar 30i manual
James Elston

James Elston

Published February 8, 2024

Greenstar 30i Specification

Item30i
Part number7 733 6020 005
Gas model availableYes
Gas model Gas Council (GC) number47-406-62
LPG model availableYes
LPG model Gas Council (GC) number47-406-63
Solar compatibleNo
Central Heating output (kW)24
Dimensions (mm) height x width x depth710 x 400 x 330
Clearances (mm) above, sides, below and front30, 5, 200, 600
Maximum horizontal flue (mm)4,600
Maximum Verticlal flue (mm)6,400
Ingress protection ratingX4D
Max DHW output (kw)30
Hot water flow rate 40°c (ltres per minute)10.8 l/min
Minimum inlet pressure (bar)2
Nox emissions (mg/kWh)49 (39 with code plug)
Weight (kg)31.7
data correct as of 20-05-2022.

Greenstar 30i ErP Data

ErP data30i
Energy Efficiency ClassA
Water Heating Efficiency ClassA
Rated Heat output24 kW
Annual energy consumption73 GJ
Annual electricity consumption30 kWh
Annual fuel consumption18 GJ
Seasonal space heating energy efficiency84%
Water heating efficienncy94%
Sound power level indoors50 dB
Condensing boilerYes
Low temperature boilerNo
B1 boilerNo
Cogeneration space heaterNo
Combination heaterYes
Useful Heat Output at rated heat output and high temeprature regime24.0 kW
Useful Heat Output at 30% of rated heat output and low temperature regime8.2 kW
Useful efficiency at rated heat output and high temeprature regime87.70%
Useful efficiency at 30% of rated heat output and low temperature regime99.40%
Auxiliary electricity consumption at full load0.039 kW
Auxiliary electricity consumption at part load0.014 kW
Auxiliary electricity consumption in standby mode0.002 kW
Standby heat loss0.058 kW
emissions of nitrogen oxides (only gas or oil fired44 mg/kWh
Daily electricty consumption (average climate conditions)0.138 kWh
Daily Fuel consumption23.194 kWh
data correct as of 20-05-2022.
James Elston

James Elston

Boiler Expert


James Elston is the top boiler replacement and heating expert at Eco Happy. He has over 20 years of experience in the industry, focusing on Gas Safe boiler installations and offering home-heating and energy-saving solutions to homeowners across the UK. From sourcing the most energy-efficient combi boiler to providing specialist heating advice, James ensures that Eco Happy maintains the highest standards and best customer service.

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