Hydraulic Separator SNT25 for 6 - 70 kW
Low Loss Header Nordic Tec 2+4
Hydraulic Separator SNT25 technical drawing Low loss header
Nordic Tec Hydraulic Separator SNT25 for 6 - with 70 kW
Hydraulic Separator for 6 outlets
Hydraulic Separator SNT25 for 6 - 70 kW in inuslaiotn
Thermal Insulation IZ-Ba-23-40
Hydraulic Separator SNT25 for 6 - 70 kW
Low Loss Header Nordic Tec 2+4
Hydraulic Separator SNT25 technical drawing Low loss header
Nordic Tec Hydraulic Separator SNT25 for 6 - with 70 kW
Hydraulic Separator for 6 outlets
Hydraulic Separator SNT25 for 6 - 70 kW in inuslaiotn
Thermal Insulation IZ-Ba-23-40

Low Loss Header Hydraulic Separator SNT25 for 3 circuits - 70 kW

Nordic Tec Low Loss Header for central heating SNT25 with drain valve and air vent

It also includes accessories - such as a drain valve, air vent, and wall mounting elements

  • Connections for 1"
  • Accessories connections for  1/2" (internal threads) - for air vent & drain valve
  • Maximum flow rate of 4.0 m3/h.
  • Maximum power of 70 kW at ΔT = 15K.
  • Maximum operating temperature of the coupling (without additional accessories and insulation) is 110°C.
  • Maximum glycol concentration of 50%.
  • The coupling body is made of galvanized steel.
  • Additional accessories included in the set: air vent and drain valve.
  • Polyethylene insulation is also included.
Reference: SNT25
Condition New
 

Low Loss Header for central heating, e.g. in heating systems with a gas boiler and underfloor heating

In heating systems with both underfloor heating and radiators, a hydraulic separator - low loss header with 2 heating circuits (and of course a heat supplying circuit) allows for connecting two independently regulated sections, each of which can have its own circulation pump. In this case, the coupling not only balances the flow (the installation would often exceed the flow rate achievable by the boiler pump) on both sides, but also serves as a distributor, creating three circuits - one on the heating side (condensing boiler) and two additional receiver circuits (radiators and underfloor heating).

Additionally, by mixing water in the hydraulic separator steel chamber, we ensure that the water returning to the boiler is not excessively cooled, which is not beneficial for modern boilers (known as cold return).

Advantages of using a hydraulic separator in home heating system:

  • No hydraulic interaction between the supply and heating circuits
  • Suitable for both single and multiple-boiler installations.
  • Flexibility in the use of control systems.
  • Easier sizing of the pump in the boiler circuit.
  • Easier selection of control valves.
  • Protection against low-temperature corrosion.

Schema of connecting the low loss header 70 kW in a installation with 2 heat sources (boilers) and with 1 heating source (condensing boiler) for central heating and domestic hot water

Schema of connection hydraulic separator for 3 circuits

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