Important
Dynamic (nominal) inlet pressure (Natural gas — G20) 20mbar
with a CV of 37.78 MJ/m
3
Tab.9 Electrical specifications
Potterton Assure Combi 25 30
Nominal electrical power supply voltage V 230 230
Nominal electrical power supply frequency Hz 50 50
Nominal power consumption when firing W 100 100
External fuse rating Amp 3 3
Internal fuse rating Amp F2A H250V F2A H250V
Important
Boiler must be connected to an earth supply.
Tab.10 Other specifications
Potterton Assure Combi 25 30
Degree of protection against humidity (EN 60529) IP IPX5D IPX5D
Dimensions (height / width / depth) mm H 700/W 390/D 285 H 700/W 390/D 285
Tab.11 Connections
Potterton Assure Combi 25 30
Gas inlet mm 22 22
Heating flow mm 22 22
Heating return mm 22 22
Cold water inlet mm 15 15
Hot water outlet mm 15 15
Pressure relief discharge mm 15 15
Condensate discharge drain plastic waste pipe mm 21.5 21.5
Tab.12 Clearances
Potterton Assure Combi 25 30
Above casing mm 178 178
Below casing (min) mm 200 200
Front — for servicing mm 450 450
Front — for operation mm 5 5
Sides LH mm 5 5
Sides RH mm 5 5
Tab.13 Weights
Potterton Assure Combi 25 30
Packaged boiler kg 33.2 33.2
Boiler lift weight (dry) kg 30.16 30.16
Installed weight (dry) kg 31.2 31.2
3 Technical specifications
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