16.92 EURexcl. VAT · import VAT and duties on delivery
Key specifications
| Fuel | Gas |
|---|---|
| Firing stages | 1- and 2-stage |
| Cycle type | intermittent |
| Monitored inputs | pressure switches and flame detector |
| Air supply | forced draft |
| Reset method | manual reset |
| Pre-purge cycle | fan starts for pre-purge |
| Flame sensor | supported |
130.44EUR
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Description
The Siemens LME41.071C2 control box is designed for forced-draft gas burners operating in 1- and 2-stage mode. It runs an intermittent cycle and monitors pressure switches and a flame detector. During startup it starts the fan for pre-purge, then manages ignition and fuel release. If no flame is verified within the safety time, the controller locks out and requires a manual reset. This control box supports a flame sensor.
Further details
| Air Pressure Switch Verification | airflow confirmed by air pressure switch |
|---|---|
| Connection pattern requirement | base or plug pattern must be compatible with burner |
| Control Functions | supervises pre-purge, ignition, fuel admission, and flame proving |
| Driven Components | ignition transformer, fuel valve, and fan |
| Flame Detector | ionization flame sensor or QRA flame sensor (with AGQ3.1A27) |
| Heat Demand Input | receives heat demand signal to start fan |
| Interchangeability | not interchangeable across series within same brand |
| Replacement Guidance | verify against burner's original specifications for correct timing and detection method |
| Safety Feature | lockout with manual reset if flame not confirmed within safety time |
Choosing and fitting
When selecting a replacement burner control of this type, verify the exact series and type designation, and confirm that the supply voltage, pre-purge time, safety time for flame proving, and flame detection method match the burner. The base or plug pattern of the control must be compatible. Controls are generally not interchangeable across series, even within the same brand; mismatched safety times create a safety hazard.
All specifications
| Fuel | Gas |
|---|---|
| Firing stages | 1- and 2-stage |
| Cycle type | intermittent |
| Monitored inputs | pressure switches and flame detector |
| Air supply | forced draft |
| Reset method | manual reset |
| Pre-purge cycle | fan starts for pre-purge |
| Flame sensor | supported |
Part numbers
| SKU | LME41.071C2 |
|---|---|
| Additional article | 884.124.170 |
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