Tel: 0800 193 3200 | Email: hiu@stockshed.com

Collection: Switch 2 Heat Interface Unit (HIU) Spare Parts | UK Distributor

Stockshed is a UK Distributor of Switch 2 HIU spare parts for all versions of heat interface units.

Spares are stocked for popular models including Type 2, T3 ECO HIU, Celcius T4 and Celcius T1.

If the parts you require are not listed please contact us for a quotation.

If you are unsure of the part(s) you require please go to Parts Identification in the main menu to use our free service. We will then respond directly with a quotation and stock availability.

Switch 2 Type 3 Mini (AL) HIU Parts Diagram  Switch 2 Type 2 HIU Parts Diagram

18 products
  • 1100546 DHW PHE IS Actuator Assy
    1100546 DHW PHE IS Actuator Assy - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £642.60
    Sale price
    £642.60
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  • 1100541 DHW Valve
    1100541 DHW Valve - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £190.00
    Sale price
    £190.00
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  • CBH1815AS Switch 2 Mini City Heat Exchanger (Heating)
    CBH1815AS Switch 2 Mini City Heat Exchanger (Heating) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £298.74
    Sale price
    £298.74
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  • 0221003 Thermostat Set Point 40-100 (Heating)
    0221003 Thermostat Set Point 40-100 (Heating) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £245.10
    Sale price
    £245.10
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  • Grundfos UPM3 OEM Flex AS 15-70 HIU Pump
    Grundfos UPM3 OEM Flex AS 15-70 HIU Pump - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £226.80
    Sale price
    £226.80
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  • Switch 2 Honeywell ALDH Control Box
    Switch 2 Honeywell ALDH Control Box - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £463.25
    Sale price
    £463.25
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  • 1100543 Alfa Honeywell 24v Actuator
    1100543 Alfa Honeywell 24v Actuator - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £173.20
    Sale price
    £173.20
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  • 1100542 Alfa Heating Valve Body
    Regular price
    £80.45
    Sale price
    £80.45
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  • 0221002 Thermostat Set Point 45-64 (DHW)
    0221002 Thermostat Set Point 45-64 (DHW) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £281.30
    Sale price
    £281.30
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  • Mini City Strainer / Filter Dirt
    Regular price
    £69.80
    Sale price
    £69.80
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  • Mini City Angled Strainer 3/4"
    Regular price
    £75.70
    Sale price
    £75.70
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  • Switch 2 Type 2 HIU On/Off Valve & Actuator (Part 1)
    Switch 2 Type 2 HIU  On/Off Valve & Actuator (Part 1) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £181.55
    Sale price
    £181.55
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  • Switch 2 Type 2 HIU Y Strainer (Part 2)
    Switch 2 Type 2 HIU Y Strainer (Part 2) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £81.84
    Sale price
    £81.84
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  • Switch 2 Type 2 DPCV (Part 3)
    0206209 Switch 2 Type 2 DPCV (Part 3) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £285.90
    Sale price
    £285.90
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  • Switch 2 Type 2 Balancing Valve (Part 4)
    Switch 2 Type 2 Balancing Valve (Part 4) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £150.00
    Sale price
    £150.00
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  • Switch 2 Type 2 By Pass Valve (Part 5)
    Switch 2 Type 2 By Pass Valve (Part 5) - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £83.82
    Sale price
    £83.82
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  • 1100535 Siemens Actuator
    1100535 Siemens Actuator - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £102.60
    Sale price
    £102.60
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  • 1100530 Valve VVP to suit Siemens Actuator
    1100530 Valve VVP to suit Siemens Actuator - Stockshed Limited | Heat Interface Unit (HIU) Division
    Regular price
    £75.60
    Sale price
    £75.60
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