71.52 EURexcl. VAT · import VAT and duties on delivery
Key specifications
| Body material | industrial heat-resistant plastic |
|---|---|
| Media compatibility | air, flue and non-aggressive gases |
| Application | ventilation, boilers, burners, hvac systems |
| Operating principle | differential / overpressure control |
| Mounting feature | wall-mounted / built-in |
| Intended systems | Siemens automation systems |
45.00EUR
on orderexcl. VAT · import VAT and duties on delivery · shipping calculated at checkout
- Delivery to 97 countries
- Original manufacturer part
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Description
The Siemens QPL15.050B pressure switch monitors air, flue gas, and non-aggressive gas pressure in ventilation, boiler, burner, and HVAC systems. It uses differential and overpressure control, and is intended for integration with Siemens automation systems. The housing is made of industrial heat-resistant plastic, and the unit can be wall-mounted or built-in.
Further details
| Function | monitoring air and non-aggressive gas pressure |
|---|---|
| Pressure type | overpressure, vacuum, and differential pressure of air |
Choosing and fitting
Parts of this type are selected by the medium, switching range and differential, connection thread or hose spigot size, contact rating, and applicable approval class. During installation, ensure the impulse tube is clean and unobstructed, the diaphragm is undamaged, and the setpoint is correctly adjusted for the specific burner.
Signs of failure
When such a pressure switch fails, the burner control may not advance through its ignition sequence or will shut down, leading to lockouts often mistaken for ignition faults. Typical causes are a torn diaphragm, a blocked impulse line, or a drifted setpoint; inspect these before replacing ignition components.
All specifications
| Body material | industrial heat-resistant plastic |
|---|---|
| Media compatibility | air, flue and non-aggressive gases |
| Application | ventilation, boilers, burners, hvac systems |
| Operating principle | differential / overpressure control |
| Mounting feature | wall-mounted / built-in |
| Intended systems | Siemens automation systems |
Part numbers
| SKU | QPL15.050B |
|---|---|
| Additional article | 884.214.050 |
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