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Technology
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Boiler Retrofit Equipment
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Subtechnology
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Burners With Controls
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Date added to ETL
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1 October 2003
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Product category
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Gas fired and dual fuel burners rated between 401 kW and 1200 kW
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Max Rating (kW)
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1000
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Min Rating (kW)
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100
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Natural gas
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Yes
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Gas oil
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Yes
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Light fuel oil
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No
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Heavy fuel oil
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No
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LPG
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No
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Propane
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No
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Kerosene
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Yes
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Bio-diesel
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No
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Residual oil
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No
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Tallow Oil
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No
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Turndown ratio
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10:1
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Exhaust gas oxygen level at 100% Load (%)
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0.9
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Exhaust gas oxygen level at 50% Load (%)
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1.0
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Exhaust Gas oxygen level at 25% load (%)
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1.9
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Exhaust gas CO level (maximum recorded) (ppmv)
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7
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Is the product fitted with dampers that fully close on burner shutdown?
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Yes
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Is the product a forced draught burner?
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Yes
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Does product modulate output continuously, or in a stepwise manner across at least 3 outputs?
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Yes
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Is the product fitted with a burner heat input control system which is amplitude modulating or frequency modulating (by pulse firing)?
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Yes
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Does the product conform to the requirements of The Pressure Equipment (Safety) Regulations 2016 in respect of its design, manufacturer and testing procedures, or have an appropriate Conformity Assessment mark?
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Yes
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Does product use any form of mechanical linkage between the modulating fuel valve, and its air damper or air control valve, to adjust the product’s air to fuel ratio?
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No
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Does the product enable compliance with the minimum requirements as stated in Annex II of the Medium Combustion Plant Directive (EU) 2015/2193 as implemented in UK domestic law, without the need for flue gas recovery?"
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No
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Does the product incorporate a microprocessor based burner control system?
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Yes
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Is a precision servomotor used to control the dampers or control valves which are used to modulate air or fuel flow to the burners?
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Yes
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Does product use a use a variable speed motor controller (or variable speed drive) to operate its forced draught fan
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Yes
