Expansion Vessels / Kits

Sealed hot water systems depend on expansion vessels and kits to absorb the volume increase that occurs as water heats, keeping pressure within safe limits. Units are typically supplied complete with pressure-reducing valves, check valves or relief components and fit directly to cylinders or boilers.

Showing all 3 results

SKU: 7WRH0100
Hyco 133-1021 Speedflow SF3 2 Litre Expansion Vessel and Check Valve 3.5 bar

£40.00 (inc VAT)£33.33 (ex VAT)

13 in stock
Hyco 133-1021 Speedflow SF3 2 Litre Expansion Vessel and Check Valve 3.5 bar quantity
SKU: 7WRH0110
Hyco 133-1036 Altecnic Speedflow SF4 2 Litre Expansion Vessel and Pressure Reducing Valve

£51.86 (inc VAT)£43.22 (ex VAT)

14 in stock
Hyco 133-1036 Altecnic Speedflow SF4 2 Litre Expansion Vessel and Pressure Reducing Valve quantity
SKU: 8APZ1850
Rob BKIT Pond Expansion Vessel Bar Kit With Pressure Relief, Air Vent & Gauge

£21.78 (inc VAT)£18.15 (ex VAT)
Out of stock