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Hyco SF4 Pressure Reducing Valve, Expansion Vessel, Check Valve (SF4 Kit)

Excl. Tax: £59.00 Incl. Tax: £70.80
Pressure Reducing Valve, 2L Expansion Vessel and Check Valve. To be used in conjunction with Hyco Speedflow 10L and 15L unvented (mains pressure) water heater if there is a risk that mains incoming water pressure may exceed 4.2 bar. Expansion vessel dimensions 225 x 120 x 120 (H x W x Dmm).
  • The kit comprises of:

    • Pressure Reducing Valve
    • 2L Expansion Vessel and
    • Check Valve

    Please note water pressure fluctuates from place to place and from time to time. It is usually highest at night when demand for water by the public is lowest.

    In most instances water pressure is below 4.2 bar and this kit is not required. If there is any doubt, it is strongly recommended that the pressure is measured with an appropriate meter.

    • Expansion Vessel Charge Pressure 3.5 bar
    • Dimensions 225 x 120 x 120 (H x W x Dmm)