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B&Q£109.82Visit shop B&Q - Supreme Element Assembly And Cut Out 7787840Genuine Replacement Spare Part
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This guide is for owners of Heatrae Sadia Supreme unvented hot water systems requiring a replacement heating element. The key benefit is restoring reliable hot water with an integrated safety cut-out. A potential caveat is that this is a specific replacement part and may require professional installation. This genuine Heatrae Sadia Supreme Element Assembly and Cut Out (Part No. 7787840) combines a 3kW immersion heater with an essential over-temperature cut-out to ensure safe and efficient hot water production.
| Model Part Number | 7787840 |
|---|---|
| Brand | Heatrae Sadia |
No, this is specifically designed for the Heatrae Sadia Supreme series of unvented hot water systems. Always check your system's model and the part number (7787840) for confirmation.
The heating element has a power rating of 3kW.
Yes, due to the involvement of mains electricity and water systems, professional installation by a qualified plumber or heating engineer is strongly recommended for safety and correct operation.
The cut-out is a safety device that automatically disconnects the heating element if the water temperature exceeds a safe limit, preventing overheating.
This genuine Baxi part comes with a 1-year warranty.
Symptoms include no hot water, insufficient hot water, or the safety cut-out repeatedly tripping. If you suspect a fault, consult a qualified heating engineer.
Check the main power supply to the unit. Ensure the circuit breaker is on. If power is confirmed, the element or cut-out may have failed, requiring replacement by a professional.
This indicates the safety cut-out has activated. The element assembly likely needs replacement by a qualified engineer. Do not attempt to force a reset if the cut-out has tripped due to a fault.
A leak at the point of installation suggests the seal is compromised. This requires immediate attention from a qualified professional to replace the seal or the entire element assembly.
Compatibility:
This element assembly is exclusively designed for Heatrae Sadia Supreme unvented hot water systems. Ensure your system is a Heatrae Sadia Supreme model before purchasing. The part number 7787840 should match your existing or required replacement.
Setup & Installation:
Installation of this component involves working with mains electricity and water systems. It is strongly recommended that this part be fitted by a qualified plumber or heating engineer. Incorrect installation can lead to system damage, safety hazards, and voiding of any warranty.
Care:
As a sealed component within the hot water system, direct user care is minimal. The primary care involves ensuring the overall hot water system is maintained according to the manufacturer's instructions. This includes periodic checks by a qualified professional to ensure all components, including the element assembly, are functioning correctly and safely.
