boiler installation edgware

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If you are a home owner or landlord

If you are a home owner or landlord in the. When burning elfo you can also use other manufacturers’ burners equipped with an air flap valve operated electrically or hydraulically (e.g by an electric actuator) which is closed when the electric burner is off (the reason is that “false air” must not be drawn into the combustion process during wood burning operation) these burners must be approved for operation.

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