Description
Worcester 87161461380 Differential Pressure Switch – Fits Highflow & Heatslave Boilers
The Worcester differential pressure switch 87161461380 helps monitor water pressure and flow within the boiler system, so the appliance can operate safely and efficiently. However, if the switch becomes faulty, the boiler may lock out or fail to heat correctly. Therefore, replacing it with this brand new unit helps restore reliable boiler operation and supports safe system performance.
Compatible Boilers
This part is compatible with the following Worcester boiler models:
Highflow Series
- Highflow 3.5 RSF – GC No. 41-311-40
- Highflow 400 RSF – GC No. 47-311-18
- Highflow 400 RSF LPG – GC No. 47-311-21
Worcester RSF Series
Worcester 280 RSF – GC No. 47-311-11
9.24 Electronic RSF Economy – GC No. 47-311-07
9.24 RSF Electronic – GC No. 47-311-06
Heatslave Series
- Heatslave 9.24 RSF MK1/1.5/RSF – GC No. 47-311-03
Why Choose This Product?
This brand new Worcester differential pressure switch offers a reliable solution for restoring proper boiler operation and safety monitoring. In addition, it is designed as a direct replacement part for compatible Worcester systems, which helps make installation straightforward for a qualified engineer.
Delivery and Return
Order before 1 PM for same-day dispatch with standard and next-day delivery options available. Returns are accepted within 30 days if the item remains unused and in its original packaging. Always use a Gas Safe registered engineer for installation.
Frequently Asked Questions
1. What does a differential pressure switch do?
The switch monitors pressure and flow conditions inside the boiler system. If pressure readings fall outside normal operation, it helps protect the boiler by triggering safety responses.
2. What happens if the pressure switch fails?
A faulty pressure switch can cause boiler lockouts, ignition issues, or heating performance problems. Replacing the part helps restore safe and reliable operation.
3. Is this part brand new?
Yes, this Worcester differential pressure switch is supplied as a brand new replacement part. It is suitable for compatible Worcester boiler applications.
4. How do I confirm compatibility?
Check the existing part number on your boiler component before ordering. Matching part number 87161461380 helps ensure correct fitment.
5. Who should install this part?
A Gas Safe registered engineer should install the component to ensure safe and correct boiler operation. Professional installation also helps protect the heating system.










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