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Filling Loops

Find the components needed to connect and repressurise compatible sealed heating systems with our range of filling loops. A filling loop provides a temporary connection to the mains water supply, allowing water to be added to the heating system when required.

Boiler filling loops are commonly used with sealed central heating systems, although the precise arrangement and installation requirements can vary between systems. Always follow the boiler and heating system manufacturer's instructions when checking or adjusting system pressure.

Browse our range of filling loops for boiler and central heating installation and maintenance requirements.

 

  • TradeSmart 15mm Straight Filling Loop WRAS Approved
    SKU: 03360147
    TradeSmart 15mm Straight Filling Loop WRAS Approved
    £8.36 £6.97
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  • Altecnic 15mm Remote Filling Loop with Built-in Gauge
    SKU: 03710237
    Altecnic 15mm Remote Filling Loop with Built-in Gauge
    £27.39 £22.82
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  • Altecnic Ecofil Plus 15mm Combi Filling Loop
    SKU: 03710210
    Altecnic Ecofil Plus 15mm Combi Filling Loop
    £15.48 £12.90
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  • Combi Filling Loop Tee Type
    SKU: 03710064
    Combi Filling Loop Tee Type
    £16.59 £13.82
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  • Combi Filling Loop Straight
    SKU: 03710062
    Combi Filling Loop Straight
    £11.04 £9.20
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  • Inta 15mm Filling Loop With Gauge
    SKU: 04150112
    Inta 15mm Filling Loop With Gauge
    £31.90 £26.58
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  • 15mm Combi Fill Loop Dbl Chk Iso Gauge DZR
    SKU: 03712052
    15mm Combi Fill Loop Dbl Chk Iso Gauge DZR
    £21.71 £18.09
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