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Take care mate join you soon!!

I have left my license card in my assessment room. Ill sort next week. Regards and hope you understand stoichiometric combustion.

Pressure loss is measured at the appliance inlet and meter test point recording readings on a U gaug. The pressure at meter may be lets say 21mb then the pressure at the appliance should be no lower than 20mb. S Some boiler manufacturers allow a lower figure but this figure must be used with...

Just joined forum so apologies for late response but i don't like incorrect answers. 18-21kw would indicate the appliance is range rated to operate between 18-21kw. This means the engineer would determine what he wanted the appliance to be set at based on how many bathrooms/rads floors and...