Hyco SF3 Speedflow Expansion Vessel & Check Valve
SKU: 82346882412

Hyco SF3 Speedflow Expansion Vessel & Check Valve

Sale price$50.99 Regular price$56.66
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  • USA
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

Hyco SF3 Speedflow Expansion Vessel & Check ValveHyco SF3 Speedflow Expansion Vessel & Check Valve The Hyco SF3 Speedflow Expansion Vessel & Check Valve is an essential accessory designed for use with Hyco Speedflow unvented water heaters. Depending on the specific installation requirements, additional components such as this expansion vessel and check valve may be required to ensure compliance with UK water regulations. This unit incorporates a 2 litre expansion vessel pre set to 3. 5 bar, helping

Hyco SF3 Speedflow Expansion Vessel & Check Valve

The Hyco SF3 Speedflow Expansion Vessel & Check Valve is an essential accessory designed for use with Hyco Speedflow unvented water heaters. Depending on the specific installation requirements, additional components such as this expansion vessel and check valve may be required to ensure compliance with UK water regulations.

This unit incorporates a 2-litre expansion vessel pre-set to 3.5 bar, helping to accommodate thermal expansion within the system. By controlling pressure fluctuations and preventing backflow, it helps maintain safe and efficient operation of the water heating system.

Designed for straightforward integration with Speedflow installations, the SF3 accessory ensures reliable pressure management while supporting regulatory compliance in commercial and domestic hot water systems.

Key Features

  • Expansion vessel and check valve accessory for Hyco Speedflow systems
  • 2-litre expansion vessel pre-set to 3.5 bar
  • Helps manage pressure caused by thermal expansion
  • Supports compliance with water regulations
  • Designed for integration with Speedflow unvented water heaters
  • Reliable and durable construction

Documents

Data Sheet: View the data sheet

Instruction Manual: View the instruction manual

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 82346882412

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Dallas, US
★★★★★ 5
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My fav socks. I am a size 9 women’s and they fit perfect. They are soft and comfortable
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Reviewed in the United States on April 16, 2026
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MSMom
Lake Worth, US
★★★★★ 5
Great socks!
These are great low cut socks with padding in appropriate places. The shape keeps them from sliding down in my tennis shoes. I just wish more than three pair came in the pack.
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Reviewed in the United States on April 9, 2026
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Darrah
New York, US
★★★★★ 5
Great socks
Size: Large, Color: (672) Super Pink / Blaze Orange / Super Pink
My favorite socks! Fit great and don’t slip down in my shoes. They are cozy and cushiony. I love the colors too.
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Reviewed in the United States on October 21, 2025
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These are so very comfortable they are thin yet keep my feet warm around the house while it’s snowing outside
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Battle Creek, US
★★★★★ 5
Fav socks
My favorite socks! Love them!
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Reviewed in the United States on April 20, 2026

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