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  5. Hyco Speedflow Unvented – Glass Lined Tank 15 litre – SF15K

Hyco Speedflow Unvented – Glass Lined Tank 15 litre – SF15K

£125.75 Excl. VAT

Hyco Speedflow Unvented – Glass Lined Tank 15 litre – SF15K

Part No                            Description

SF15K                                  Speedflow Unvented – Glass Lined Tank 15 litre


Ideal for use in cloakrooms and kitchens in offices, shops, student accommodation and domestic premises which have been extended and there is no central hot water system near by. One unit located under the kitchen sink is often used to supply hot water for light dish washing in the kitchen sink and hand washing in the cloakroom basin.

Selection Guide (approximate depending on usage)
1 basin: SF05K
1 – 2 basins: SF10K
2 – 3 basins: SF15K


  • Supplies hot water for up to 3 basins
  • Can be used with regular taps including mixers
  • Mains pressure flow rates
  • 2.0 kW element as standard
  • 1.2 kW element available for 10 and 15 litre models for restricted load applications
  • Neon element on indicator
  • Glass lined steel tank as standard
  • External temperature control with frost protection setting
  • Accessories may be needed to comply with the Water Regulations. Pressure reducing valve required for pressures above 4.2 bar and expansion vessel and check valve required if cold water draw off nearby. Kits available separately (see Speedflow Kits).
  • Optional thermostatic mixing valve available (see Thermostatic Mixing Valve)
  • Not suitable for hair wash basins in hairdressing salons
  • New stainless steel tank 10 & 15 litre model available (See Speedflow Stainless Steel Tank)

Technical Specification

Outer Casing
Easy clean, high impact plastic

Heating Element
Stainless steel flange type

Bulb type adj. to 75°C
E setting approx. 50°C

Water Tank
Glass lined steel 

Replaceable grey magnesium (inspect at least annually or more regularly in scale/ aggressive water conditions)

High density polyurethane foam

Overheat temperature protection (manual reset).
Supplied pressure relief valve must be fitted in every case (set at 6 bar).
Frost protection if power on.
Optional thermostatic mixing valve to maintain hot water supplied to user at constant, safe temperature.

IP Rating

Site above or below the sink, but inlet and outlet must be at the top.

Floor standing or wall mounted.

Must be installed by a suitably qualified person.

It is recommended that flexible hoses are used for connection to facilitate future maintenance.

Access to the thermal cut-out and element is located at the base of unit.

Minimum water pressure 0.5 bar.
Maximum water pressure 4.2 bar.

Water connection
Inlet/ Outlet 2 x 1/2″ BSP male (100mm apart centre to centre).
Fittings required (not supplied): 2 x 15mm compression to 1/2″ BSP female adapter.

Electrical Connection
Installation must comply with current IEE regulations.

The product should be connected to the fixed wiring of the property via a double pole fused spur with a minimum break capacity of 13 amps.

Cable pre-wired (1.5m).


Standard Warranty
1 year parts or replacement warranty.

Data Tables

Product Code Capacity (litres) Power (kW) Heat Up Time (mins)* Standing Loss (kWh/day)
SF05K 5 2.0 12 0.51
SF10K 10 2.0 23 0.63
SF10K12 10 1.2 38 0.63
SF15K 15 2.0 35 0.71
SF15K12 15 1.2 57 0.71

*Approximate heat up time from 10°C to 75°C

Product Code Height (mm) Width (mm) Depth (mm) Weight Empty (kg) Weight Full (kg)
SF05K 320 280 245 5.5 10.5
SF10K, SF10K12 410 310 280 6.8 16.8
SF15K, SF15K12 530 310 280 8.3 23.3